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4 Matching Results
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Cotton-Blocking Attachment.
Patent for a cotton blocking attachment for cultivators.
Date:
December 13, 1910
Creator:
Horner, John P.
System:
The Portal to Texas History
Automatic Gate.
Patent for an automatic gate that can be unlatched and opened by a vehicle approaching; and then, closed and latched again after passage of the vehicle. The automatic gate is reliable, not easily deranged, and simple in construction.
Date:
June 13, 1911
Creator:
Laas, Louis August
System:
The Portal to Texas History
Clothes-Pin
Patent for a clothes pin. Illustrations included.
Date:
July 13, 1909
Creator:
Freeze, John A.
System:
The Portal to Texas History
Knife.
Patent for a knife with multiple curved blades used to cut food.
Date:
July 13, 1920
Creator:
Oertli, Henri
System:
The Portal to Texas History