Trailing Device for Tractors and the Like (open access)

Trailing Device for Tractors and the Like

Patent for a device built to connect behind tractors and other farming vehicles. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date: November 27, 1917
Creator: Fiegelson, Alexander
System: The Portal to Texas History
Mechanical Movement (open access)

Mechanical Movement

Patent for "an object to provide a chain and sprocket movement with improved means for maintaining the chain in operatively taut condition and relation to the sprocket wheel" (lines 13-17), including illustrations.
Date: November 9, 1915
Creator: Stine, John
System: The Portal to Texas History
Tire. (open access)

Tire.

Patent for a cushioned tire which may be attached without special tools to an automobile wheel when the regular is flat or damaged. It can fold up for easy storage, and then attach to the wheel rim using hinges, rods, and sockets.
Date: November 7, 1911
Creator: Price, James Bain
System: The Portal to Texas History
Roundabout Swing (open access)

Roundabout Swing

Patent for a roundabout swing. Illustrations included.
Date: November 12, 1912
Creator: Jones, Oliver P.
System: The Portal to Texas History
Railroad-Tie. (open access)

Railroad-Tie.

Patent for a railroad tie, which reduces jars to the train as it crosses over the ties.
Date: November 8, 1910
Creator: Green, Grant C.
System: The Portal to Texas History
Detector for Wireless Telegraphy (open access)

Detector for Wireless Telegraphy

Patent for an improved detector for wireless telegraph machine through the use of minerals such as copper, sulfur, and zinc.
Date: November 9, 1915
Creator: Lorenz, Charles O.
System: The Portal to Texas History