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6 Matching Results
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6
Back-Brace
Patent for improvement on back braces, specifically to improve the performances of people who repeatedly stoop for their jobs. The back brace aims to relieve the stress on back muscles.
Date:
November 14, 1911
Creator:
Thornton, Henry C.
Object Type:
Patent
System:
The Portal to Texas History
Scissors or Shears.
Patent for scissors or shears which open automatically due to a central, coiled spring.
Date:
November 7, 1911
Creator:
Allison, Robert L.
Object Type:
Patent
System:
The Portal to Texas History
Chimney Holder
Patent for chimney holder. This design is a "means for holding a chimney upon a burner of any kind for the purpose of preventing the accidental tilting of the chimney" (lines 11-13). Illustrations included.
Date:
March 7, 1911
Creator:
Elkins, Thomas M.
Object Type:
Patent
System:
The Portal to Texas History
Palo Pinto Sheet
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date:
1911
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Hay-Rake
Patent for a horse hay rake that can be folded and extended. Illustrations included.
Date:
May 23, 1911
Creator:
Lewallen, Edward D.
Object Type:
Patent
System:
The Portal to Texas History
Pump.
Patent for a pump that does not leak air when the piston is passed.
Date:
December 26, 1911
Creator:
Murray, Jasper
Object Type:
Patent
System:
The Portal to Texas History