Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Float-Controlled Liquid-Gaging and Cut-Off Means.
Patent for an automatic cut off device for oil tanks that indicates the amount of water in an oil tank and will automatically close the discharge opening when all the water has been discarded from the tank.
Date:
June 29, 1920
Creator:
Waldrep, Granville J.
System:
The Portal to Texas History
Pocket-Closure
Patent for a pocket closure. Illustrations included
Date:
June 29, 1909
Creator:
Wilkinson, John W.
System:
The Portal to Texas History