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Patents for Eaton Mfg. Co.
Patents 1 - 6 of 6
First set of recordsLast set of records
2,240,440Apr. 29, 1941J.H. HoernApparatus for Honing Internal Screw Threadshoning machines
2,259,640Oct. 21, 1941J.H. HoernThread Forming Apparatusmetal threading machines
2,265,561Dec. 09, 1941J.H. HoernMethod of Making Valve Tappetsinternal combustion engines
2,359,477Oct. 03, 1944J.H. HoernMethod of Making Hollow Head Valvesinternal combustion engine valves
2,367,398Jan. 16, 1945J.H. HoernThread Rolling Apparatusmetal threading machines
2,456,060Dec. 14, 1948C.G. Pardee, J.H. HoernRotor Grindercylindrical grinders
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