Resource Type
Counties
3 Matching Results
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Vehicle-Step.
Patent for a unit which covers the hub of a wheel to provide protection against people "stepping on or 'riding' the hub." (Line 15).
Date:
August 10, 1915
Creator:
Butcher, Joseph A.
System:
The Portal to Texas History
Elevator-Door Sill.
Patent for an elevator sill that bridges the gap between the floor and the bottom of the elevator when the elevator doors are open.
Date:
August 31, 1915
Creator:
Doren, Lewis W.
System:
The Portal to Texas History
Crimping-Machine
Patent for "a machine that crimps the edges of lids for lard pails and the like." (lines 8-11) including illustrations.
Date:
August 15, 1915
Creator:
Humphreys, Jerome Nichols
System:
The Portal to Texas History