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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
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
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