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Gasolene and Oil Filter
Patent for a gasoline and oil filter capable of filtering material in a way that makes in suitable for reuse, including illustrations and instructions.
Date:
June 4, 1918
Creator:
Caen, George, Sr.
System:
The Portal to Texas History
Hair-Drying Apparatus.
Patent for an improved method of drying hair after washing that separates and parts the hair in numerous places to quickly and thoroughly dry the hair. The apparatus, that sits on the shoulders, also has an "improved fastener for holding the frame on the head" (lines 40-41), and the frame is collapsible.
Date:
June 18, 1918
Creator:
Moffitt, Mansfield M.
System:
The Portal to Texas History
Locking and Operating System for Jail-Doors.
Patent for a new way to operate and lock jail doors "whereby each and every door in the system can be locked, unlocked and operated altogether, or any one, two or more doors can be locked, unlocked and operated without disturbing the other doors of the system" (lines 11-16), including illustrations.
Date:
June 11, 1918
Creator:
Youngblood, David Franklin
System:
The Portal to Texas History