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7 Matching Results
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Boll-Weevil Extermination
Patent for a device to exterminate boll-weevils on cotton. Illustrations included.
Date:
April 12, 1910
Creator:
Hebert, Paul E.
System:
The Portal to Texas History
Composition for Preserving Wood.
Patent for a new and improved compound for “preserving all kinds of wood, in or above ground, but is especially adapted for preserving wood in salt water from the ravages of worms, barnacles and etc…” (Line 24-27) Ingredients, proportions of ingredients and mixing instructions are included. No illustration.
Date:
July 12, 1881
Creator:
Smith, Bat
System:
The Portal to Texas History
Cotton-Cleaner.
Patent for a machine that uses revolving brush cylinders, stationary brushes, and stripping boards to prepare cotton for ginning, including illustration.
Date:
March 12, 1861
Creator:
Eastham, A. S.
System:
The Portal to Texas History
Two-Stage Pump
Patent for a two stage pump. Illustrations included.
Date:
July 12, 1910
Creator:
Gray, William T.
System:
The Portal to Texas History
Traction-Wheel.
Patent for a traction wheel that has improved traction on muddy ground.
Date:
July 12, 1910
Creator:
Larson, Louis O.; Larsen, Arvid R. & Johnson, Sigfried
System:
The Portal to Texas History
Draft Attachment for Automobiles.
Patent for a draft attachment for automobiles to aid in their movement from muddy or slippery conditions including instructions and illustrations.
Date:
March 12, 1918
Creator:
Pietzsch, Cornelius O.
System:
The Portal to Texas History
Device for Cutting Key Seats or the Like
Patent for a device for cutting key seats or the like. This invention is an improvement in metal working tools as they relate to key seat cutters. Illustration included.
Date:
November 12, 1907
Creator:
Lindstrom, Conrad
System:
The Portal to Texas History