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5 Matching Results
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Cultivator
Patent for a cultivator. Illustration included.
Date:
January 15, 1907
Creator:
Nicholson, Matthew Harris & Rosenbaum, Eugene
System:
The Portal to Texas History
Beam and Shank Attachment
Patent for a beam and shank attachment for attaching harrows to cultivators.
Date:
October 15, 1912
Creator:
Trousdale, Robert A.
System:
The Portal to Texas History
Weather Strip or Seal for Sliding Window-Sashes.
Patent for "a new and Improved Weather Strip or Seal for Sliding Window-Sashes" (lines 5-7), including instructions and illustrations.
Date:
April 15, 1913
Creator:
Cross, Ralph Waldo
System:
The Portal to Texas History
Refrigerating Apparatus
Patent for a refrigerating apparatus for the purpose of regulating the liquid refrigerant agents in the expansion coils. Illustrations included.
Date:
December 15, 1908
Creator:
Mayhew, John Daugherty
System:
The Portal to Texas History
Portable Dental Chair.
Patent for a simple portable dental chair meant for traveling dentists. It adjusts easily and folds compactly.
Date:
January 15, 1895
Creator:
Lovejoy, Edward Harrison
System:
The Portal to Texas History