Resource Type
Counties
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Aerodrome
Patent for an aerodrome/helicopter with improved wing design.
Date:
June 27, 1911
Creator:
Snow, Guy
System:
The Portal to Texas History
Cooling Apparatus.
Patent for a cooling apparatus for food that uses the process of evaporation of water to cool the apparatus.
Date:
April 4, 1911
Creator:
Steen, Mary L.
System:
The Portal to Texas History
Proportioning Weighing-Machine
Patent for a proportioning weighing machine. Illustrations included.
Date:
August 22, 1911
Creator:
Cardwell, Robert M. & Tholen, John Ben.
System:
The Portal to Texas History
Road-Grader.
Patent for a road grader, which will "excavate a ditch at the side of a road, and distribute the dirt from said ditch at a proper gradient upon the road" (lines 11-14).
Date:
January 31, 1911
Creator:
Fender, John Brown
System:
The Portal to Texas History