UNT Libraries Government Documents Department - 95 Matching Results

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Animated Sign

Description: Patent for a display apparatus to be implemented as animated advertising signs which successively display different images by controlling the timing of changes in the colors of light used to flood the front and to backlight the display surfaces. The images are created in such a way that certain elements created in certain colors become absorbed or are made invisible when illuminated by certain colors of light. An apparatus controls the cyclical changes of the colored lights used by the sign.
Date: September 5, 1922
Creator: Craig, Richard 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

Banjo.

Description: Patent for facilitating the safe packing, storage, and shipment of banjos and other similar musical instruments, including one illustration.
Date: September 14, 1920
Creator: Brown, Norman
Item Type: Refine your search to only Patent

Bee-Cage.

Description: Patent for a new and improved design of bee cages that facilitates the feeding of bees during transportation and provides "the proper ventilation of the air through the cage to prevent the bees from smothering" (lines 17-19), including illustrations.
Date: September 21, 1920
Creator: Ault, Eugene B.
Item Type: Refine your search to only Patent

Blade-Holder

Description: Patent for a new and useful improvements to a blade holder. It can hold any form of razor blades can be securely held and easily released. The holder allows blades to be inserted safely and then hold blades firmly into place.
Date: September 27, 1921
Creator: Lightfoot, Roy L.
Item Type: Refine your search to only Patent

Carbureter

Description: Patent for a carburetor. This carburetor is designed to be used with crude oil, and to be easily constructed and operated.
Date: September 6, 1921
Creator: Walker, Sanders
Item Type: Refine your search to only Patent

Casing-Head

Description: Patent for a casing head that is specially adapted for "use in connection with well drilling for letting the tubing down into the bore, and in withdrawing the tubing from the bore." (Lines 15-16), including illustrations.
Date: September 7, 1920
Creator: McGarry, Henry S. & Carr, John D.
Item Type: Refine your search to only Patent

Cigarette Package.

Description: Patent for "new and useful Improvements in Cigarette Packages" (lines 5-6) including "the method of dispensing or extracting cigarettes from the package and as well to the method of making a cigarette package" (lines 9-12), including one illustration.
Date: September 5, 1922
Creator: Sohn, Elmer L.
Item Type: Refine your search to only Patent

Cotton-Pest-Poisoner

Description: Patent for an insect destroyer specifically designed for use in the treatment of cotton plants. The cotton-pest poisoner is in the form of a powder that can be scattered over the plants.
Date: September 28, 1920
Creator: Saladiner, Joseph M.
Item Type: Refine your search to only Patent

Cotton Stalk Cutter and Insect Killer

Description: Patent for improvements to mechanical cotton stalk cutting and insect destroying apparatus. The machine's object is "cutting the stalks into small pieces, and the crushing the stalks so as to crush and destroy insects which may be upon the withered stalks." (lines 26-29).
Date: September 5, 1922
Creator: Batla, Thomas H. & Holan, Heny J.
Item Type: Refine your search to only Patent

Curing-House.

Description: Patent for a curing house for vegetables like sweet potatoes. The inventors "have found that the ceiling and dampers therein are not essential to the successful curing of vegetables; also that an exhaust fan is not necessary and a pent house on the roof with louvers in its sides gives sufficient ventilation and excellent results" (lines 23-28).
Date: September 28, 1920
Creator: Vaughan, Robert B. & Love, Ralph M.
Item Type: Refine your search to only Patent

Door-Holder.

Description: Patent for a new door holder that is designed so that it will not press down the carpet pile if it is used to hold open a door in a carpeted area. It also is designed to hang on the key or handle of the door when not in use and is big enough that someone would not accidentally stow it in their pocket if they took the key.
Date: September 28, 1920
Creator: Lanning, Edwin
Item Type: Refine your search to only Patent
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