UNT Libraries Government Documents Department - 48 Matching Results

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Article Holder or Stand.

Description: Patent for a device that conveniently and readily supports books, photographs, picture cards, and other similar articles. The new design is formed from a single strand of wire, and is specifically adapted for holding books in an open position and allowing the pages to be turned as needed.
Date: February 28, 1922
Creator: Boyette, Oren K.
Item Type: Refine your search to only Patent

Refrigerator-Door.

Description: Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin
Item Type: Refine your search to only Patent

Bed

Description: Patent for a hospital bed. Provide a bed with separate adjustment support for the sick or people with a disability.
Date: December 28, 1920
Creator: Wallace, John. M
Item Type: Refine your search to only Patent

Band-Saw

Description: Patent for improving band-saws for lumber "which can be inexpensively produced, which will not readily crack or otherwise deteriorate in use" (lines 15-18) by "reinforc[ing] the gullets of the teeth that the tendency for cracks to form at this point will be reduced to a minimum" (lines 33-35).
Date: September 28, 1920
Creator: McCormick, Merton H.
Item Type: Refine your search to only Patent

Boll-Weevil Device.

Description: Patent for a cost-effective device that can remove and exterminate parasites from cotton as it's being harvested without damaging the cotton itself, including illustrations.
Date: December 28, 1920
Creator: Reeder, Leonard F. & Jackson, Walter B.
Item Type: Refine your search to only Patent

Automobile-Bed.

Description: Patent for Automobile-Bed which creates a bed space in the back of automobiles for users to comfortably sleep on roll-out mattresses in their vehicles.
Date: December 28, 1920
Creator: John S. Turner
Item Type: Refine your search to only Patent

Roadway.

Description: Patent for an improved roadway that utilizes concrete tracks and asphalt or bitumen filler to create a grooved, hard, and durable surface, with illustrations.
Date: June 28, 1921
Creator: Moore, Stuart B.
Item Type: Refine your search to only Patent

Demountable Rim

Description: Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.
Item Type: Refine your search to only Patent

Mold for Casting the Hulls of Concrete Ships.

Description: Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.
Item Type: Refine your search to only Patent

Vegetable-Grading Apparatus.

Description: Patent for a vegetable grading apparatus that delivers select grades of vegetables to the picker, separating the majority of vegetables into containers. The apparatus prevents bruising of vegetables and allows the picker to see all sides of the vegetables.
Date: June 28, 1921
Creator: Rigney, Samuel C.
Item Type: Refine your search to only Patent

Check-Writer.

Description: Patent for a new check-writer machine capable of typewriting bank checks and similar documents with two sets of type, allowing for the printing of payee names, numerical amounts, and word amounts in a single movement.
Date: June 28, 1921
Creator: Wendelken, Charles
Item Type: Refine your search to only Patent

Pipe Tongs.

Description: Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date: June 28, 1921
Creator: Hill, Richard D.
Item Type: Refine your search to only Patent
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