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Improvement to Elevator Signal Systems
Patent for an improvement to an elevator in which “to provide an elevator signal system that will permit a party at any landing to indicate his desire to go up or down to the elevator operator by pressing one of two buttons” (lines 10-15). Instructions and illustration included.
Date:
February 2, 1915
Creator:
Johnson, Charles S.
System:
The Portal to Texas History
Improvement to Suction-Cup for Cotton-Picking Machines
Patent for the improvement in suction-cups for cotton-picking machines in which the addition of knives allows for easier collection of cotton. Instructions and illustrations included.
Date:
February 9, 1915
Creator:
Meier, John
System:
The Portal to Texas History
Tail-Light for Automobiles.
Patent for a lamp for automobiles, which combines a lantern (with colored lens) with a number plate holder (which includes sections that can be inserted and removed). The lamp is positioned to show and illuminate the number plate.
Date:
February 23, 1915
Creator:
Lindsey, James J.
System:
The Portal to Texas History
Pot-Cover.
Patent for a pot cover with an expansible and contractible cover adapted to be assembled with a utensil of any desired sort. The pot cover provides movable parts (detachable handles) and a locking device for connecting and securing the movable parts of the pot cover.
Date:
February 23, 1915
Creator:
Nye, William C.
System:
The Portal to Texas History