11 Matching Results

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Lock

Description: Patent for a general lock but made especially for trunk locks. It adds a spring lock and preventative measures against lock picking.
Date: October 14, 1902
Creator: Kirk, Robert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. Illustrations included.
Date: April 21, 1908
Creator: Winslow, Walter W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. Illustrations included.
Date: December 15, 1908
Creator: Greene, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. Illustrations included.
Date: April 21, 1908
Creator: Winslow, Walter W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Switch-Hook

Description: Patent for a switch lock which prevents "splitting" (line 13). Illustrations included.
Date: January 28, 1908
Creator: Tullock, John Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for the invention of gate which can be opened inward and outward by certain features such as supporting brackets and a spirally grooved shaft that can rotate between brackets.
Date: August 28, 1906
Creator: Gilbert James Madison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for a gate that can be opened or closed from a remote point, and can be locked with a latch. Illustrations included.
Date: June 11, 1907
Creator: Rogers, Frederick S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Permutation-Lock.

Description: Patent for improvements and simplification of the permutation lock including a latch-bolt slidable case and a tumbler-shaft journaled in a side wall of the case.
Date: July 10, 1906
Creator: Katzenberger, Oscar.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seal-Padlock

Description: Patent for a seal padlock, designed to "render it absolutely impossible to gain access to the interior of the lock" (lines 12-14). Illustrations included.
Date: June 11, 1907
Creator: Abrams, Frederic
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hasp-Fastener

Description: Patent for a hasp fastener designed to hold a hasp in a locked position by use of gravity. Illustrations included.
Date: June 16, 1908
Creator: Robinson, Albert W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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