Combined Computing Device and Weighing-Scale. (open access)

Combined Computing Device and Weighing-Scale.

Patent for "a simple, economical, and portable combined computing and weighing scale for ordinary use so simple in its operation that an illiterate person can manipulate it with as much facility as one trained to the practical use of more complicated devices" (lines 20-25).
Date: July 11, 1899
Creator: Stephens, John H.
System: The Portal to Texas History
Combined Multiple Weight And Pendulum Scale. (open access)

Combined Multiple Weight And Pendulum Scale.

Patent for certain new and useful improvements in a combined multiple weight and pendulum scale and appliance, including instructions and illustrations.
Date: July 11, 1899
Creator: Stephens, John H.
System: The Portal to Texas History
Hose-Coupling. (open access)

Hose-Coupling.

Patent for new usability improvements for hose coupling, designed for novice users, including illustrations.
Date: July 3, 1906
Creator: Stephens, John H.
System: The Portal to Texas History
Hose Coupling (open access)

Hose Coupling

Patent for a hose coupling. This invention is designed to be used with flexible hosing that is damaged. Illustration included.
Date: July 19, 1910
Creator: Stephens, John H.
System: The Portal to Texas History
Hose Coupling (open access)

Hose Coupling

Patent for a hose coupling. This invention is designed for flexible tubing in need of repair. Illustration included.
Date: July 19, 1910
Creator: Stephens, John Hall
System: The Portal to Texas History