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Draft Device for Wheeled Gang Plows
Patent for a draft device for wheeled gang plows. This invention is and improvement to equalize draft devices for motor drawn gang plows to avoid pulling the plow out of the straight line of draft. Illustration included.
Date:
October 29, 1912
Creator:
Weiler, Nicholas
System:
The Portal to Texas History
Activated-Sludge Treatment.
Patent for a method that dehydrates sewage for easier removal.
Date:
January 29, 1918
Creator:
Moor, William C.
System:
The Portal to Texas History