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7 Matching Results
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Cotton Chopper
Patent for a cotton chopper. Illustration included.
Date:
June 29, 1909
Creator:
Pace, William S. & Pace, James J.
System:
The Portal to Texas History
Sad-Iron-Facing Machine.
Patent for a sad iron facing machine, which grinds and polishes iron with a lateral movement rather than a straight one that speeds up the process and prevents gumming of the machine.
Date:
September 14, 1909
Creator:
Dorsey, Royal H.
System:
The Portal to Texas History
Sad-Iron-Edging Machine
Patent for edging machine for removing rough edges from sad irons. Illustrations included.
Date:
July 6, 1909
Creator:
Dorsey, Royal H.
System:
The Portal to Texas History
Gas-Engine
Patent for a gas engine designed with "both reciprocating and rotary motor elements" (line 10) and to minimize back pressure. Illustrations included.
Date:
February 23, 1909
Creator:
Patterson, John E.
System:
The Portal to Texas History
Safety Railway-Truck Air-Brake Appliance.
Patent for a safety railway truck appliance, which automatically engages the air brake system if a car in the train derails.
Date:
August 31, 1909
Creator:
Bering, John L.
System:
The Portal to Texas History
Sewing-Machine Attachment
Patent for a sewing machine attachment used to support articles or implements used in the sewing process. Illustrations included.
Date:
October 5, 1909
Creator:
Kleuser, Clara H.
System:
The Portal to Texas History
Device for Teaching Penmanship.
Patent for a device for teaching penmanship, which holds the hand in the correct writing position.
Date:
November 23, 1909
Creator:
Smith, Sidney R.
System:
The Portal to Texas History