4 Matching Results

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Lock.

Description: Patent for a new and improved lock that which "provide a lock for doors, safes, drawers, and the like, the bolt of which is adapted to be unlocked from he outsides by means of a combination, and while being release will instantly ring the door-bell by means of connecting wires, and which, when operated from the inside, can be opened without giving the signal on the bell, and in either operation the parts of the lock will automatically return to their position and lock the bot in the striker-pla… more
Date: August 30, 1887
Creator: Rau, Louis Carl
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam Engine

Description: Patent for an "new and improved steam-engine in which a dead center position is obviated and the pressure of the live steam is completely and very advantageously utilized" (line 7-11)
Date: August 30, 1887
Creator: Rush, Peter S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Store-Awning.

Description: Patent for a new awning design for shops that is easily raised and lowered, including illustrations.
Date: August 30, 1887
Creator: Persohn, John William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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