Resource Type
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4 Matching Results
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Automatic Valve
Patent for an automatic valve that uses a lever to open and close quickly, with illustrations.
Date:
November 20, 1906
Creator:
Pinkerton, Henry S.
System:
The Portal to Texas History
Medical Compound
Patent for a medical compound which "when taken internally, is a cure for gonorrhea, gravel, dysentery, and diarrhea, and when applied externally a cure for rheumatism" (lines 12-14).
Date:
September 4, 1906
Creator:
Mendez, Jesus M.
System:
The Portal to Texas History
Post Hole Digger
Patent for a post hole digger with an illustration.
Date:
November 13, 1906
Creator:
Wall, William J.
System:
The Portal to Texas History
Neck-Yoke Center.
Patent for a device that improves, simplifies, and strengthens the construction of neck yoke centers.
Date:
February 6, 1906
Creator:
Quick, E. B.
System:
The Portal to Texas History