Resource Type
States
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BLIND-STOP
Patent for an improvement in Blind-Stops. "My invention relates to improvements in blind-stops, and has for its object to provide a simple, strong, and cheap device of this kind." (lines 15-18) and illustration.
Date:
August 18, 1903
Creator:
Koenig, Charles Louis
System:
The Portal to Texas History
Marine-Engine Governor.
Patent for marine engine governor "designed to maintain uniformity of speed of the engine when the resistance to the propeller or propellers is varied" (lines 11-13), including illustrations and description of construction.
Date:
August 18, 1903
Creator:
Corneliussen, Ivar
System:
The Portal to Texas History
Trolley.
Patent for a trolley-wheel mechanism for electric trolley cars connected to wires. The trolley-wheel is designed to allow a degree of movement while maintaining stability.
Date:
August 18, 1903
Creator:
Seastrunk, Thomas P. & Archer, James P.
System:
The Portal to Texas History
Railway Switch
Patent for a railway switch. Illustration included.
Date:
August 18, 1903
Creator:
Aley, Frank W.
System:
The Portal to Texas History
Check Book
Patent for a check book. This inventions improves upon removable covers for check books.
Date:
August 18, 1903
Creator:
Exline, Marcus P.
System:
The Portal to Texas History