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6 Matching Results
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Clamp
Patent for a clamp. This device is employed to use a hoisting line attached to well casing or tubing. Illustration included.
Date:
November 22, 1910
Creator:
Athey, Earl
System:
The Portal to Texas History
Billboard
Patent for billboards built for wind resistance.
Date:
November 28, 1922
Creator:
Kelly, Walter
System:
The Portal to Texas History
Bail for Cans, Buckets, &c.
Patent for a detachable bail (wire handle) for cans and buckets allowing bails and cans to be packed separately and reducing overall packing space.
Date:
November 23, 1920
Creator:
Tiner, John Frances
System:
The Portal to Texas History
Envelope-Machine
Patent for "a machine for making envelopes, paper bags, and similar receptacles from paper and other like materials" (lines 7-9).
Date:
November 13, 1888
Creator:
Clarke, George R.
System:
The Portal to Texas History
Spring-Latch.
Patent for certain new and useful improvements in spring latches, including instructions and illustrations.
Date:
November 7, 1899
Creator:
Dockery, Allen B.
System:
The Portal to Texas History
Friction-Clutch.
Patent for certain new and useful improvements in friction clutches, including instructions and illustrations.
Date:
November 22, 1898
Creator:
Clarke, George R.
System:
The Portal to Texas History