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5 Matching Results
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Improving Oils.
Patent for a method of improving the quality of more volatile petroleum oils, such as gasoline and burning oils.
Date:
December 23, 1919
Creator:
McAfee, Almer M.
System:
The Portal to Texas History
Portable Sawing Machine
Patent for portable sawing machine. Illustration included.
Date:
March 23, 1909
Creator:
Tevis, Noah Cap
System:
The Portal to Texas History
Process of Distilling Oil
Patent for a new and improved process of distilling oil by inventor James E. Biggins.
Date:
October 23, 1917
Creator:
Biggins, James E.
System:
The Portal to Texas History
Stump-Puller.
Patent for an improved design for a stump-puller, using a hoisting derrick and lever to attach to the stump and pull it from the ground.
Date:
April 23, 1918
Creator:
Weese, Frank
System:
The Portal to Texas History
Roundabout
Patent for a roundabout ride with an improved method of turning the seats and the seat holder.
Date:
July 23, 1912
Creator:
Mayhew, Nathaniel L.
System:
The Portal to Texas History