UNT Libraries Government Documents Department - 118 Matching Results

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News Drop, September 2022

Description: Quarterly newsletter of the Edwards Aquifer Authority discussing news and activities of the organization as well as other information related to programs, projects, and topics related to water management and conservation.
Date: September 2022
Creator: Edwards Aquifer Authority (Tex.). Communications and Development Department
Item Type: Refine your search to only Journal/Magazine/Newsletter

Air Pipe Coupling

Description: Patent for the air-pipe coupling. This invention relates to improvements in couplers for air other liquid pipes. The improvement is primarily designed for connecting the fluid pipes of an air brake system between the locomotive and coaches of railway trains.
Date: September 23, 1916
Creator: Bonelli, Liborio C.
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

Wheel-Tire.

Description: Patent for improvement in automobile tires, resulting in more resilient tires that utilize internal spring coils that are encased in an elastic casing to protect against direct contact with the rubber tire.
Date: September 9, 1919
Creator: Dalwigk, Hermann
Item Type: Refine your search to only Patent

Sun-Hat

Description: Patent for headgear especially adapted for use as a sun hat, in which it provides a sun hat 1) to create the crown and brim from a single sheet and fabric, 2) have self-adjusting means for different head shapes and sizes, 3) to be durable, desirable, and neat in appearance, and 4) to have a brim retained in position by a bracing wire which may be conveniently removed.
Date: September 3, 1919
Creator: Satterfield, Rosa P.
Item Type: Refine your search to only Patent

Nut Lock.

Description: Patent for new and useful improvements to nut-locks. Created a simple and inexpensive nut that is easily applied and removed from a bolt using a pin locking mechanism.
Date: September 2, 1919
Creator: Fitzpatrick, Joseph
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

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

Phonograph-Needle.

Description: Patent for a phonograph needle "which is simple in construction, inexpensive to manufacture, and may be used in connection with phonograph records of different types" (lines 18-21). The needle has a flexible shank (in multiple forms) for improved audio quality, and it accommodates various tip styles for use with many brands of phonograph records.
Date: September 27, 1921
Creator: Fletcher, Theodore
Item Type: Refine your search to only Patent
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