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3 Matching Results
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Adjustable Window-Shade Support.
Patent for an adjustable window shade support that can readily attach a shade to a window frame and the roller can be adjusted to any desired location or elevation.
Date:
July 9, 1918
Creator:
Simmons, Oscar C.
System:
The Portal to Texas History
Swingletree
Patent for a swingletree that equalizes the strain of the draft animal when the traces are connected in an irregular manner.
Date:
July 20, 1920
Creator:
Bosse, William F.
System:
The Portal to Texas History
Cotton-Harvester
Patent for improvements in construction and arrangement of machines that harvest cotton.
Date:
July 2, 1889
Creator:
Cunningham, James Franklin, Sr.
System:
The Portal to Texas History