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7 Matching Results
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Rotary Plowshare
Patent for rotary plowshare that allows for improvements in plows. This detachable element rotates as it moves within the earth, pulverizing and disintegrating it while doing so. This rotary plowshare will accelerate cultivation and provide cost savings in time and labor.
Date:
August 30, 1921
Creator:
Billingsley, Rennie E.
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a spring cushioned tire. The springs are positioned between the wheel ferry and the tread.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Leaf-Turner.
Patent for a leaf turner for turning the pages of a book, which is connected to a treadle operated with the feet to change the pages.
Date:
August 30, 1910
Creator:
Berliner, Selma Ellis
System:
The Portal to Texas History
Grate Fender
Patent for grate fender. Illustration included.
Date:
August 30, 1904
Creator:
Dickerson, Ernest C.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for improving vehicular tires by making them more durable for heavier vehicular use.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Filing Cabinet
Patent for filing cabinet designed to accommodate blue prints and large papers.
Date:
August 30, 1921
Creator:
Southwell, Charles R.
System:
The Portal to Texas History
Pianoforte-Action
Patent for support for the damper and spring for piano pedals. Illustrations included.
Date:
August 30, 1910
Creator:
Snyder, George C.
System:
The Portal to Texas History