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All Patents in class 222/394
Patents 1 - 3 of 3
First set of recordsLast set of records
217,176Jul. 01, 1879D. Lang, A. Linn, A.J. UlschtImprovement in apparatus for regulating pressure in fermenting-casksbrewing apparatus
2,137,786Nov. 22, 1938H.L. SchlosserSpray Oileroil pumps
2,651,746Sep. 08, 1953J.J. GanoControl Devicemilling machines
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