Resource Type
Counties
2 Matching Results
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Nut-Lock.
Patent for a nut-lock for car wheels, which holds the wheel securely together.
Date:
February 18, 1908
Creator:
Mayo, William C.
System:
The Portal to Texas History
Sleeping-Car
Patent for a railroad sleeping car with an improved mechanism for folding the seats into beds.
Date:
February 7, 1911
Creator:
Anson, Warren J.
System:
The Portal to Texas History