Resource Type
Counties
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Cross-Tie.
Patent for a railroad cross tie made of concrete and metal, which can be attached without spikes or bolts.
Date:
October 24, 1911
Creator:
Whaley, Albert L.
System:
The Portal to Texas History
Envelop-Lock
Patent for an Envelop-Lock, which "appertains to a sealing or locking device for envelops and other containers, and aims to provide a novel and improved means for locking or sealing the closure flap of an envelop, whereby the envelop cannot be opened without tearing or mutilating the same, so as to be apparent to the recipient of the envelop." (lines 8-14) including instructions and illustrations.
Date:
November 24, 1914
Creator:
Buckner, Charles C.
System:
The Portal to Texas History