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All Patents in class 174/152S
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
582,540May 11, 1897O. MuellerIgniter for Explosive Enginesignition systems
660,786Oct. 30, 1900E.T. BirdsallSparking-Plug for Explosive-Enginesspark plugs
676,468Jun. 18, 1901N. McClintockIgnition Plug for Gas Engines spark plugs
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