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5 Matching Results
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Improvement in Medical Compounds.
Patent for a new medical compound to remedy chills and fever.
Date:
February 7, 1871
Creator:
Lister, Henry
System:
The Portal to Texas History
Swing.
Patent for improvement in swings, including instructions and illustrations.
Date:
February 7, 1888
Creator:
Goebel, Herman A.
System:
The Portal to Texas History
Oxygen-Generator
Patent for an oxygen generator that refills as it is emptied.
Date:
February 7, 1911
Creator:
Bradley, Richard Clinton
System:
The Portal to Texas History
Rotary Engine
Patent for a rotary engine with a better flow of fluid to the casing.
Date:
February 7, 1911
Creator:
Nichols, Franklin Priestley
System:
The Portal to Texas History
Rail Joint
Patent for a rail joint. Illustration included.
Date:
February 7, 1905
Creator:
Riggs, James M.
System:
The Portal to Texas History