Patents for Jacob Weintz


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Patents for Jacob Weintz
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
1,339,081	May 04, 1920	J. Weintz	Annealing and heat-treating furnace
1,692,478	Nov. 20, 1928	J. Weintz	Electric furnace
1,692,479	Nov. 20, 1928	J. Weintz	Electric furnace
1,730,103	Oct. 01, 1929	J. Weintz	Electric furnace