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Patents for Southwark Foundry & Machine Co.
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
242,976Jun. 14, 1881C.T. PorterBase-plate for horizontal enginessteam engines
517,983Apr. 10, 1894C.T. PorterSteam-enginesteam engines
909,214Jan. 12, 1909G.B. PetscheAdmission Valve for Gas Enginesinternal combustion engine valves
1,281,965Oct. 15, 1918M.C. HutchinsonAngle Planing Machine
1,656,323Jan. 17, 1928C.B. GrayMachine for Cutting Sheet-Form Metalmetal shearing machines
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