Resource Type
States
Counties
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Automatic Circuit-Control Apparatus
Patent for an automatic circuit control that uses electro-magnetics. The invention is primarily used for making or breaking circuits.
Date:
November 29, 1913
Creator:
Barron, Melvil
System:
The Portal to Texas History
Knee-Protector.
Patent for a durable, sleeve-like knee protector which contours the knee for comfort and allows for easy application and removal. Includes instructions and an illustration.
Date:
December 9, 1913
Creator:
McCall, Dougald Bell
System:
The Portal to Texas History
Stalk-Cutting Attachment for Plows
Patent for Stalk-Cutting attachment for Plows. Device is connected to machine to cut or chop stalks ahead of plow
Date:
December 16, 1913
Creator:
Sumrall, Navada W. & Bigham, Robert C.
System:
The Portal to Texas History
Track-Oiling Device
Patent for a track oiling device that is operated by a train car. Illustrations included.
Date:
February 25, 1913
Creator:
Jones, Oscar W.
System:
The Portal to Texas History