UNT Libraries Government Documents Department - 18 Matching Results

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Coal-Oil Generator.

Description: Patent for improvements in oil burners to have the "means to permit the same to be positioned within the fire box of a stove, by means of the especially constructed support." (lines 12-15)
Date: July 13, 1920
Creator: Epps, Henry Gaston
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for improvements to Cotton-Choppers. The invention relates to the agricultural implements and more particularly to machines for thinning rows of cotton, whereby to prevent crowding of the plants and insuring a stocky growth which will under favorable condition produce a good crop.
Date: January 20, 1920
Creator: Ogden, James D.
Item Type: Refine your search to only Patent

Cultivator Tongue

Description: Patent for a a tongue that can be connected with a cultivator where the free lateral swinging of the tongue and the cultivator can be induced.
Date: June 15, 1920
Creator: Franklin, Iva A. & Mangum, Sam E.
Item Type: Refine your search to only Patent

Curtain for Vehicles.

Description: Patent for side roll curtains on foldable automobile tops. The invention's aim is to fit multiple sizes of vehicle tops and be able to be raised and lowered easily without interfering with the the vehicle top's folding function.
Date: November 9, 1920
Creator: Schwarz, Henry W.
Item Type: Refine your search to only Patent

Cylindrical Structure

Description: Patent for improvements for hollow structures of cylindrical shape that provides "for formation of such a structure of lumber and metal materials of standard dimensions and shapes that ordinarily can be obtained from commercial stocks, so that the minimum amount of shop work on materials will be required." (lines 18-22)
Date: May 11, 1920
Creator: Pearson, Terrell Brooks
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

Hair-Clipper

Description: Patent for hair clippers in which the power-driven device will move positively in action comprises a few numbers of parts and is easy to operate.
Date: January 14, 1920
Creator: Jones, Sidney P. & Wallace, David P.
Item Type: Refine your search to only Patent

Kettle-Furnace.

Description: Patent for a kettle furnace of simple construction; a kettle furnace comprising a sheet metal member having bolt openings disposed in pairs near the vertical edge.
Date: June 1, 1920
Creator: Sanders, Oscar Perdue
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

Rail-Joint.

Description: Patent for improving railway rail joints "without the use of fish plates or clamping bolts" (lines 12-13) and for quick and secure assembly "by any person without previous skill or knowledge" (lines 24-25).
Date: August 17, 1920
Creator: Fenske, Paul J.
Item Type: Refine your search to only Patent

Rotary-Razor

Description: Patent for rotary razors that includes a rotating blade that approaches and passes over the skin to avoid cuts or scrapes. The blade on the razor is tilted too far out to cause cuts and scrapes, yet it provides a sufficient shave.
Date: August 17, 1920
Creator: Jones, Sidney P.
Item Type: Refine your search to only Patent

Truck.

Description: Patent for an improvement in trucks adapted for railroad use including handling baggage and freight and allowing the supporting wheels to be arranged with respect to the body of the truck so they can be moved longitudinally.
Date: May 25, 1920
Creator: Hall, James T.
Item Type: Refine your search to only Patent

Wire Fabric

Description: Patent for an improvement on wire fabrics for multiple usages. Designed to be used without external fasteners, which in turn increase the durability of the wire.
Date: May 24, 1920
Creator: Baker, William E.
Item Type: Refine your search to only Patent
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