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Portable Press for Hay
Patent for a portable press for hay. "My invention relates to portable hay and other presses, and has for its objects, first, an improved power-transmission and lever device for pressing or forcing the hay or other material into th box or frame of the press" (line 8-13). Illustration included.
Date:
October 13, 1903
Creator:
McKean, Frank
System:
The Portal to Texas History
Journal-Bearing
Patent for a self-lubricating journal bearing that is protected from foreign matter. Illustrations included.
Date:
April 13, 1909
Creator:
Lanaux, Alfred A.
System:
The Portal to Texas History
Rotary Drilling Apparatus.
Patent for a rotary drilling mechanism for drilling wells, which has better vertical movement than other models.
Date:
August 13, 1907
Creator:
Wiggs, James A., Jr.
System:
The Portal to Texas History