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30 Matching Results
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30
Sleeve Extractor
Patent for sleeve-extractor with improvements, including illustrations.
Date:
May 14, 1918
Creator:
Carpenter, George L.
System:
The Portal to Texas History
Washing-Machine.
Patent for a washing machine that has better water pressure for washing that prevents damage to garments. The design for the washing machine also reduces production costs.
Date:
June 14, 1921
Creator:
Latham, Minnie M.
System:
The Portal to Texas History
Skeleton Structure.
Patent for Skeleton Structures or convertible structures able to be used different agricultural uses that "may be disassembled and reassembled in a different shape either by using the same parts or by adding additional parts," (line 25-28) including illustrations.
Date:
December 14, 1920
Creator:
Dietz, Paul, A.
System:
The Portal to Texas History
Molds for Making Blocks of Plastic Material.
Patent for an invention related to molds used to form plastic blocks for building purposes. Objectives and illustrations of invention are included.
Date:
August 14, 1917
Creator:
Hawkins, William L.
System:
The Portal to Texas History
Improvement in Bale-Band-Tying Machines.
Patent for a device that automatically ties bands of cotton bales by mechanical means.
Date:
October 14, 1879
Creator:
Matthews, James H.
System:
The Portal to Texas History
Mirror Support
Patent for improvements in mirror supports are primarily adapted by travelers. The mirror can also be supported by an electric bulb and can also be turned at varying desired angles.
Date:
March 14, 1922
Creator:
Reavis, Jesse O.
System:
The Portal to Texas History