Resource Type
Counties
3 Matching Results
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Aeroplane
Patent for an improvement to aeroplanes which includes movable horizontal and vertical planes (or curtains).
Date:
February 25, 1911
Creator:
Blewett, Baxter W.
System:
The Portal to Texas History
Valve
Patent for a valve for rotary steam engines.
Date:
November 26, 1912
Creator:
Faulkner, Thomas F.
System:
The Portal to Texas History
Framing-Tool
Patent for a framing tool designed to ease the laying of "rafters, stair carriages and the like" (lines 14-15). The tool assists in measuring proper "dimensions of cuts to be made in timber to accomplish desired construction" (lines 19-20).
Date:
September 26, 1911
Creator:
Whitlock, John N.
System:
The Portal to Texas History