UNT Libraries Government Documents Department - 43 Matching Results

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Adjustable Split Lock-Nut or Union.

Description: Patent for an affordable and efficient coupling device for use "on valve rods of internal combustion engines, especially those used in automobiles and aeroplanes or on those motors or engines employing overhead valves and whereby the union or coupling may be readily and securely locked on a valve rod with sufficient resistance to withstand the strain of direct pressure" (lines 14-21).
Date: August 17, 1920
Creator: Dickinson, Harry E.
Item Type: Refine your search to only Patent

Artificial Teeth.

Description: Patent for the lower set of artificial teeth, "and aims to provide retainers and combine them with the plate, so as to hold the denture in place against accidental displacement during the process of articulation, prehension, mastication, and deglutition" (lines 10-15). This invention "provides retainers which fill a vacuum in the mouth never heretofore utilized in the construction of artificial teeth and which form a rest for the muscles in their contraction incident to the movements of the jaw… more
Date: September 17, 1895
Creator: Johnston, George A. & Carroll, Houston M.
Item Type: Refine your search to only Patent

Autographic Register.

Description: Patent for an autographic register that provides "improved means for guiding, stamping, cutting, and filling a record-bill and discharging original and duplicate bills; [provides] improved means for guiding the strips of paper and holding the carbon or duplicating paper in operative position; furthermore, [provides] improved means for operating the several parts of the mechanism to insure accuracy and facilitate the subsequent permanent filing of the record-bills" (lines 9-19).
Date: September 17, 1895
Creator: Norcross, George A.
Item Type: Refine your search to only Patent

Economic Opportunities Development Corporation of San Antonio and Bexar County: Planning and Priorities

Description: A report on the plans and priorities of the Economic Opportunities Development Corporation of San Antonio and Bexar County based on results from a community survey on October 30, 1970 as part of an application for the Office of Economic Opportunity Community Action Program.
Date: November 17, 1970
Creator: Economic Opportunities Development Corporation of San Antonio and Bexar County
Item Type: Refine your search to only Report

Electrical Testing Device.

Description: Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date: August 17, 1920
Creator: Bierbower, Richard C.
Item Type: Refine your search to only Patent
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