UNT Libraries Government Documents Department - 39 Matching Results

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Hair-Clipper.

Description: Patent for "certain new and useful Improvements" (line 6) in the Hair Clipper, concerning the introduction of more efficient "double-acting clippers" (line 12), including illustrations.
Date: April 26, 1921
Creator: Jones, Sidney P. & Wallace, David P.
Item Type: Refine your search to only Patent

Stalk-Cutter Attachment

Description: Patent for improvements to stalk-cutter attachments to plows. The invention allows stalks to be cut by the plow and then turned under it into the soil to decrease labor an improve plow performance.
Date: April 7, 1919
Creator: Wylie, Arthur E.
Item Type: Refine your search to only Patent

Percolator.

Description: Patent for a percolator for coffee or tea that is "reliable and efficient in its operation, readily and easily adjusted to fit the various sizes of pots and also inexpensive in manufacture." (lines 44-47)
Date: April 20, 1920
Creator: Rose, Isabell M.
Item Type: Refine your search to only Patent

Overall Jacket Or Waist.

Description: Patent for an overall jacket or waists, the construction of which permits of its formation with less material and its use with greater comfort and convenience by terminating at its lower edge in a waist band, which, in use, is intended to be seated upon or lap the upper edges or portions of the trouser sections, thus avoiding the extensions usually present with a wait section or jacket into the trouser section.
Date: April 15, 1919
Creator: Elliot, Joseph Samuel
Item Type: Refine your search to only Patent

Device for Teaching Music

Description: Patent for a music education device aimed toward children and basic music building blocks. It is designed to teach the positions of piano keyboard notes through the use of differently dressed and named puppets. These puppets can be adjusted to also introduce basic musical concepts like rests, rhythm, and time.
Date: April 20, 1920
Creator: Maxwell, Annie L.
Item Type: Refine your search to only Patent

Cooking Utensil.

Description: Patent for a new and improved double boiler "used for continuous cooking for a long period, without replenishing the water supply" (lines 18-20) and to "improve the general efficiency of double boilers of the indicated character" (lines 22-23) including illustrations.
Date: April 4, 1916
Creator: Curran, William Ferris
Item Type: Refine your search to only Patent

Fence-Post.

Description: Patent for improvements to Fence-Posts, preferably made from metal, providing for simple construction and a means for holding wire, which is also of simple construction.
Date: April 7, 1914
Creator: Copeland, Walter G.
Item Type: Refine your search to only Patent

Furnace.

Description: Patent for portable field furnaces, that also provide a heating chamber that can engage the walls of containers of various sizes.
Date: April 4, 1916
Creator: Winchell, Frederick A.
Item Type: Refine your search to only Patent

Clothes-Pin.

Description: Patent for Clothes Pin made of galvanized wire that will remain normally on the line. It will also prevent the adjacent pins from becoming tangled together. It's twisted portions adapted for riding content with the line to hold the pin in operative position.
Date: April 8, 1913
Creator: Perry, Cornelius Doctor & Wosnig, Walter, E.
Item Type: Refine your search to only Patent
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