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Patents for Christian F. Heinkel
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
534,152Feb. 12, 1895G. Weber, C.F. HeinkelBeam Compasstrammels
1,227,051May 22, 1917C.F. Heinkel, W.G. LuetersSurfacing-machinesanding machines
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