Resource Type
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Fly-Trap.
Patent for an improvement to fly traps in which the flies are attracted by a sweet smelling substance down a funnel into the substance from which they are unable to escape. The flies either drown in the substance or are poisoned.
Date:
July 7, 1914
Creator:
Brown, Thomas E.
System:
The Portal to Texas History
Pipe Gripping Device.
Patent for Pipe Gripping Device used in conjunction with a good drilling outfit to grip and support the casing pipe of a well.
Date:
March 7, 1916
Creator:
Palmore, Martin W.
System:
The Portal to Texas History