UNT Libraries Government Documents Department - 128 Matching Results

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Combined Rubber Dam and Tooth Backing Punch

Description: Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Date: May 19, 1908
Creator: Bell, Harry M.
Item Type: Refine your search to only Patent

Bottle

Description: Patent for a glass bottle designed to "prevent the refilling of a bottle when the original contents have been poured therefrom" (lines 10-12).
Date: May 28, 1907
Creator: Tull, Francis S.
Item Type: Refine your search to only Patent

Axle Lubricator.

Description: Patent for a new and improved axle lubricator. This design "consist[s] of a box provided with bearings in which the axle works, and with a cellar below the said bearings for the reception of the waste for containing the lubricant; [and] . . . of a frame in which the box fits, . . . being provided with screws for elevating or depressing the box, whereby it may be kept always in contact with the axle . . . The object is to produce an axle or journal lubricator . . . [that] will keep the bearings … more
Date: May 21, 1889
Creator: Good, William
Item Type: Refine your search to only Patent

Car Door.

Description: Patent for a new and improved door for railroad cars. This design consists in "[t]he combination, with the car having the door-opening with its upper and lower edges parallel and inclined upward and inward, and the bolt-keeper secured to the sill of the car, of the door having correspondingly-inclined upper and lower edges, the guide-staple and fulcrum-bracket secured to the door at proper points, the operating-lever pivoted to said bracket, the link-rods and bolt, the [other] link-rod pivoted … more
Date: May 28, 1889
Creator: Charlton, James
Item Type: Refine your search to only Patent

Bed Clothes Clamp.

Description: Patent for a new and improved clamp. This design consists in "[t]he combination, with a suitable clasp for holding the bed-clothes and its link, of the means for adjustably securing it to the bed-rail, consisting of a rod, having its lower end screw-threaded and provided with a nut and washer, and having on its upper end a hook-shaped projection that is adapted to pass over and around the upper edge of the bed-rail, and is provided with an eye . . . for connection with the clamp" (lines 65-74).
Date: May 26, 1885
Creator: Kiam, Benjamin
Item Type: Refine your search to only Patent

Artificial Stone Block.

Description: Patent for a new and improved artificial-stone block. This design "consists in the particular formation of the protuberances by which interlocking joints or seams of the building-blocks are attained, the object of which is to so form the prolific protuberances of said blocks as to permit joining them in close proximity on all the sides or faces of the seam, to reduce the binding material for the same and increase the strength of the same" (lines 14-22).
Date: May 3, 1892
Creator: Graham, George M.
Item Type: Refine your search to only Patent

Air Brush

Description: Patent for new and useful air brushes that are "intended for spraying paints, or colors, where it is desired to frequently change the color employed or to spray a combination of colors at the same time" (lines 16-20). Illustrations are included.
Date: May 30, 1916
Creator: Philibert, Joseph E.
Item Type: Refine your search to only Patent

Crate.

Description: Patent for a crate for eggs which allows the eggs to be suspended in individual compartments for shipping. The crate will be lined with flexible material that will cushion the egg absorbing shock, including illustrations.
Date: May 30, 1916
Creator: Smith, Nora S.
Item Type: Refine your search to only Patent

Attachment for Cameras.

Description: Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
Date: May 15, 1917
Creator: Bretz, George W.; Lowry, Claud A.; Wood, Oscar O.; Wade, J. H.; Pirtle, P. R.; Jones, F. E. et al.
Item Type: Refine your search to only Patent

Closure for Refrigerators and the Like

Description: Patent is to "provide a simple and efficient construction of doors or lids for refrigerators, refrigerator cars, ice boxes, fireless cookers, telephone booths and the like, and as fire doors for storage houses, and wherever it is necessary or desirable to provide for facility of movement in opening or shrinking, due to head or cold, dampness or dryness, or other climatic or atmospheric or similar changes or conditions, while insuring an air tight, smoke, fire and bug proof, and heat insulating … more
Date: May 28, 1918
Creator: Seifert, John W. of Houston, TX
Item Type: Refine your search to only Patent

Crude-Oil Burner.

Description: Patent for an improvement on a crude oil burner that can adapt to various grades of crude oil as well as providing intense heat to various sizes of boilers.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
Item Type: Refine your search to only Patent

Belt-Buckle

Description: Patent for belt-buckles that design "to be worn around the waist, without injuring or mutilating the ends of the belt (lines 13-15)."
Date: May 21, 1918
Creator: Hall, Cyrus M.
Item Type: Refine your search to only Patent
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