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Lifting-Jack.
Patent for a lifting-jack that has "strength with durability necessary in this class of devices and that will be simple in construction and easy of operation" (para. 2).
Date:
September 24, 1895
Creator:
Lynn, John McKinzie
System:
The Portal to Texas History
Door-Check
Patent for a door check that holds a door open in a secured position. This particular door securer has a manual operation lock independent of the knob-spindle.
Date:
February 24, 1903
Creator:
Skidmore, John C. & Tyer, Author
System:
The Portal to Texas History