Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Projectile.
Patent for elongated, simple, and efficient projectile that enables it to remain on course including instructions and illustrations.
Date:
August 27, 1918
Creator:
Fender, Brown
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
Automatic Pump for Internal Combustion Engines
Patent for an automatic pump for internal combustion engines. Illustration included.
Date:
August 9, 1910
Creator:
Smith, Robert W. J.; Anderson, John C. & Rowe, Robert J.
System:
The Portal to Texas History