Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Car-Seal.
Patent for a car seal, made of a long, thin, and narrow metallic strip. When it is looped through two parts of the car body, the ends can be pinned together with sealing irons. This car seal cannot be tampered with without visible evidence showing.
Date:
December 5, 1911
Creator:
Lawler, Claude B.; Bryan, William A. & Keller, John.
System:
The Portal to Texas History
Triple-Valve Mechanism.
Patent for a triple-value mechanism that "appertains to automatic fluid pressure brake systems and involves certain improvements &c., &c.” (lines 9-11) including instructions and illustrations.
Date:
December 8, 1914
Creator:
Atwood, Walter F.
System:
The Portal to Texas History