UNT Libraries Government Documents Department - 37 Matching Results

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Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Item Type: Refine your search to only Patent

Advertising-Sign.

Description: Patent for an advertisement sign with a translucent display band that illuminates different sections of letters, numbers, or figures, in various colors, giving the appearance of animation.
Date: August 5, 1919
Creator: Craig, Richard M.
Item Type: Refine your search to only Patent

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

Car-Coupling.

Description: Patent for a car coupling that operates automatically and without causing danger to the railway employees. It operates by a lever on the side or top of the car.
Date: December 5, 1893
Creator: Burglin, Bernhard
Item Type: Refine your search to only Patent

Case for Motion-Picture Films

Description: Patent for a case for motion picture films that protects the film from damage when rewinding or transferring from one reel to another. The case also ensures that the film will be wound uniformly.
Date: October 5, 1915
Creator: McNeel, William Pinkney
Item Type: Refine your search to only Patent

Elevator-Controller.

Description: Patent for improvements to elevator-controllers, related "to a hand-power rope-elevator equipped with electrical operating mechanism and means whereby the elevator may be quickly and effectually controlled either automatically or manually" (lines 11-15), including illustrations.
Date: February 5, 1901
Creator: Dubinski, Benjamin
Item Type: Refine your search to only Patent

Hip Form and Stocking Supporter

Description: Patent for hip-forms and stocking supporters. This "invention pertains to hip-forms and stocking supporters for ladies wear; and it consists in combined hip-form and stocking-supporter the novelty, utility, and practical advantages" (line 8-12). Illustration included.
Date: April 5, 1904
Creator: Beeler, Gertrude
Item Type: Refine your search to only Patent

Implement for Extracting Axle Boxes from Wheel Hubs.

Description: Patent for a new and improved extractor of axle-boxes from wheel hubs. This design is "compris[ed of] screw-threaded rigid portion, elastic bifurcated expansible portion having ledges, abutting frame . . . consisting of bar having central hollow boss and adjustable sliding legs, in combination with the . . . operating nut" (lines 82-91).
Date: July 5, 1887
Creator: Geyer, Hermann R.
Item Type: Refine your search to only Patent

Lantern-Top

Description: Patent for a lantern top that provides sufficient ventilation for the lamp or lantern. The arrangement of the lantern top provides sufficient communication between the interior of the lantern and the surrounding atmosphere to insure steady burning.
Date: October 5, 1920
Creator: Moore, Thomas Lindsay
Item Type: Refine your search to only Patent

Mail-Bag Catcher and Deliverer.

Description: Patent for "a device capable of catching or transferring mail bags from a mail bag hanger to the mail car while the car is in motion, the device also acting to deliver a mail bag at the same station, if necessary, one operation in no manner interfering with the other." (Lines 8-14) Includes instructions and illustrations.
Date: March 5, 1895
Creator: Sliger, Charles F.
Item Type: Refine your search to only Patent

Method of and Apparatus for Producing Transformation Effects

Description: Patent for a method of creating transformation effects through the use of particular colors of illumination, to be used in the theater, amusement houses, or other performances. The invention involves using lights whose colors can either "absorb" or "wash out" certain objects or designs of the same color while revealing objects of a complementary color.
Date: September 5, 1922
Creator: Craig, Richard M.
Item Type: Refine your search to only Patent
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