Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Silo Construction
Patent for silo, with walls constructed out of plastic,
Date:
January 16, 1917
Creator:
Pierson, Ludvig B.
System:
The Portal to Texas History
Mold for Tubular Articles.
Patent for an improved mold for making concrete tubular casings for dug wells with opposite grooves so the casings can be connected together when used, with illustrations.
Date:
May 8, 1917
Creator:
Schuettig, Emil A.
System:
The Portal to Texas History