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Patents for Haff Manufacturing Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
315,773Apr. 14, 1885E.P. HaffCorkscrewcork easers
317,123May 05, 1885E.P. HaffCorkscrewT corkscrews and other straight corkscrews
356,936Feb. 01, 1887L.R. HaffPocket-corkscrewpocket and protected cork extractors
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