4 Matching Results
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Well-Drilling Machinery
Patent for a machine used to drill water, oil, and gas wells. Illustrations included.
Date:
July 7, 1908
Creator:
Decker, Harry R.
System:
The Portal to Texas History
Trick-Pipe.
Patent for a trick pipe, which has a lid over the pipe bowl that ordinarily would blow off when the pipe is blown into, but when put in the trick position will seal itself on no matter how hard the person blows.
Date:
April 7, 1908
Creator:
Judson, Fred Irving
System:
The Portal to Texas History
Trick Amusement Device
Patent for a puzzle toy consisting of a lid and blower. Illustrations included.
Date:
July 7, 1908
Creator:
Judson, Fred I.
System:
The Portal to Texas History
Switch-Operating Mechanism
Patent for a railroad switch operating mechanism that is operated from the train which can can close a switch accidentally left open.
Date:
July 7, 1908
Creator:
Hyman, Henry F. & Hay, G. H.
System:
The Portal to Texas History