Aeroplane (open access)

Aeroplane

Patent for an aeroplane which has its equilibrium maintained by the operator through levers that bring the plane up or down.
Date: December 6, 1910
Creator: McManus, Augustus F. W.
System: The Portal to Texas History
Steam Boiler (open access)

Steam Boiler

Patent for a stem boiler. Illustration included.
Date: December 6, 1904
Creator: Stucky, Allan C.
System: The Portal to Texas History
Road Building Machine (open access)

Road Building Machine

Patent for a road building machine comprised of multiple mechanisms including a blast furnace, mixing chambers, and chemical tanks.
Date: December 6, 1921
Creator: Austin, Stephen F.
System: The Portal to Texas History
Car-Coupling (open access)

Car-Coupling

Patent for "invented certain new and useful Improvements in Car-Couplers" (lines 4-5) including instructions and illustrations.
Date: December 6, 1892
Creator: Lee, Charles
System: The Portal to Texas History
Overhead Radial Conveyer System. (open access)

Overhead Radial Conveyer System.

Patent for a freight and merchandise handling system utilizing overhead conveyor belts to move items going to/from either a warehouse facility or an applicable mode of supply chain transportation.
Date: December 6, 1920
Creator: Wohn, Frederick
System: The Portal to Texas History
Coin Operating Vending Machine (open access)

Coin Operating Vending Machine

Patent for a coin operated vending machine. Illustration included.
Date: December 6, 1904
Creator: Davis, Alvah B.
System: The Portal to Texas History