Resource Type
Counties
2 Matching Results
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Portable Silo
Patent for a portable silo
Date:
November 28, 1916
Creator:
Wiesenborn, George
System:
The Portal to Texas History
Disk Plow.
Patent for a disk plow modification, which allows the disk to be self-sharpening and automatically release accumulated garbage.
Date:
November 4, 1919
Creator:
Hoffman, George L.
System:
The Portal to Texas History