Improvement to Elevator Signal Systems (open access)

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 (open access)

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. (open access)

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. (open access)

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