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Plow.
Patent for improvements to the turning-plow, with convertible attachments for other forms of plow.
Date:
December 11, 1900
Creator:
Armstrong, John Joshua, Sr.
System:
The Portal to Texas History
Well-Screen.
Patent for improvements in well-screen by providing a symmetrical strainer which having an exceedingly firm and rigid frame; it is constructed as to interpose the least obstruction to the straining operation. (Lines 21-25) Illustration is included.
Date:
December 8, 1903
Creator:
Karsch, George J.
System:
The Portal to Texas History
Umbrella
Patent for an umbrella. Illustration included.
Date:
December 25, 1906
Creator:
Gra, Hernando B.
System:
The Portal to Texas History