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Patents for Hartmann Manufacturing Co.
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,563,467Aug. 07, 1951P. HartmannQuick-acting vise having sliding jaw shank clutched by bell-crank cam actuated by an oscillating eccentricbench vises
2,565,965Aug. 28, 1951P. HartmannCam for sliding screw-operated vise jaws to final clamping positionmachinist vises
3,133,617May 19, 1964P. HartmannHydraulic variable speed drivebench vises
3,264,944Aug. 09, 1966P. Hartmann, G.W. BrandFluid pump or motor having roller vaneshydraulic pumps
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