Car-Replacer (open access)

Car-Replacer

Patent for a car replacer for train cars. Illustrations included.
Date: December 12, 1911
Creator: Roark, Trever Cardail
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for an improvement to churns. "The purpose of the invention is to provide a novel churn structure embodying a pair of oppositely reciprocating dashers mounted in a common churn receptacle or body and operated from a single crank wheel" (lines 15-19).
Date: February 25, 1913
Creator: Burdeaux, Carey E. & Burdeaux, Charley W.
System: The Portal to Texas History
Churn Dasher (open access)

Churn Dasher

Patent for a device used to make butter by churning cream.
Date: September 7, 1916
Creator: Davis, Thomas C.
System: The Portal to Texas History
Mechanism For Converting Reciprocating Into Rotary Motion. (open access)

Mechanism For Converting Reciprocating Into Rotary Motion.

Patent for an improvement to drive shafts used in automobiles, other motor vehicles, and machine tools that convert reciprocating into rotary motion, including instructions and illustrations.
Date: June 3, 1913
Creator: Smith, Robert W. J.
System: The Portal to Texas History
Curtain-Pole Remover (open access)

Curtain-Pole Remover

Patent for a curtain pole remover that allows the user to remove or put in place curtain poles without climbing on anything.
Date: December 3, 1912
Creator: Adair, Lulu N.
System: The Portal to Texas History