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5 Matching Results
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Automatic Circuit Maker and Breaker
Patent for an improved automatic circuit maker and breaker. This breaker specifically is meant to be used in conjunction with lighting systems.
Date:
April 11, 1916
Creator:
Mulford, Benjamin R.
System:
The Portal to Texas History
Aircraft
Patent for Improvements to aircraft steering. The invention allows the pilot to adjust the center of mass.
Date:
April 5, 1921
Creator:
Johnson, Louis V.
System:
The Portal to Texas History
Ring-Mandrel
Patent for "new and useful improvements in ring mandrels, for use in shaping up and rounding and dressing bands of different diameters &c., &c." lines 15-18
Date:
April 30, 1918
Creator:
Hinson, James
System:
The Portal to Texas History
Hose-Coupling.
Patent for certain new and useful improvements in hose couplings, including instructions and illustrations.
Date:
April 18, 1899
Creator:
McCrory, John Alexander
System:
The Portal to Texas History
Reversible Chuck-Jaw.
Patent for a reversible chuck-jaw that is " 'capable of wide adjustment, this flexibility of operation facilitating the application of the chuck jaw to various types of chucks." (lines 49-52)
Date:
April 2, 1918
Creator:
Miller, William J.
System:
The Portal to Texas History