Lemon Squeezer (open access)

Lemon Squeezer

Patent for a lemon squeezing mechanism, designed to be more convenient for convenience store clerks.
Date: September 7, 1915
Creator: Cooper, James A. & Cooper, Joel C.
System: The Portal to Texas History
Process of Picking And Separating Cotton from Bolls. (open access)

Process of Picking And Separating Cotton from Bolls.

Patent for a device to remove plant fiber from picked cotton (referred to as "burs" and "bolls"). The device makes the process of cleaning cotton faster and more efficient.
Date: July 13, 1915
Creator: Meier, John
System: The Portal to Texas History
Process of Producing Prints on Metal. (open access)

Process of Producing Prints on Metal.

Patent for a new way to print negatives directly on sensitized metal by dying the print, removing the dye stains, burnishing the "high lights," polishing the dye print and finally lacquering in order to make permanent. This gives the image a bas-relief effect.
Date: July 13, 1920
Creator: Snow, Philo V.
System: The Portal to Texas History
Seed-Stand (open access)

Seed-Stand

Patent for a stepped stand having a compartment at each step where seeds may be kept. Illustrations included.
Date: July 13, 1909
Creator: Nicholson, Robert
System: The Portal to Texas History