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5 Matching Results
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Automatic Switch Throwing Apparatus
Patent for a device that will automatically throw a switch upon the presence of an on-coming train, and switch it back after the train has passed.
Date:
December 5, 1916
Creator:
Bida, Frank
System:
The Portal to Texas History
Wire-Fence Tool.
Patent for certain new and useful improvements in wire fence tools, including instructions and illustrations.
Date:
December 5, 1899
Creator:
Boynton, John Blijah
System:
The Portal to Texas History
Churn Dasher.
Patent for a new and improved churn dasher. This design, "[a]s an article of manufacture, [consists in] the conical or concavo-convex churn dasher having a circular rim, the air cups or cells, the arms, and the raised nave or center portion, all of concavo-convex shape in their transverse sections" (lines 28-33).
Date:
May 5, 1885
Creator:
Hale, James F.
System:
The Portal to Texas History
Acetylene - Gas Generator
Patent for certain new and useful improvements in gas generating apparatus, including instructions and illustrations.
Date:
July 5, 1898
Creator:
Lewis, Thomas E.
System:
The Portal to Texas History
Washing-Machine.
Patent for certain new and useful improvements in washing machines.
Date:
April 5, 1898
Creator:
Turbeville, John B. & Higgs, Marion F.
System:
The Portal to Texas History