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Car Coupling
Patent for a rail car coupling. Illustration included.
Date:
December 4, 1906
Creator:
Yeiser, John Clarke & Story, Leonidas J.
System:
The Portal to Texas History
Plow
Patent for a plow. Illustration included.
Date:
August 4, 1908
Creator:
Messer, Jeremiah Clark & Deen, Irwin Johnson
System:
The Portal to Texas History
Mute Attachment for Pianos
Patent for an attachment that mutes pianos. Illustrations included.
Date:
February 4, 1908
Creator:
Pfeifer, Edmund Irwin
System:
The Portal to Texas History
Planter.
Patent for improved planting machinery resulting in easy construction and manipulation.
Date:
September 4, 1906
Creator:
Hogan, Seth
System:
The Portal to Texas History
Device For Educational, Amusement, Or Other Purposes
Patent for a device for educational, amusement, or other purposes. Illustration included.
Date:
October 4, 1904
Creator:
Robertson, William H.
System:
The Portal to Texas History