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Patents for Frank J. Schalk
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,867,154Jan. 06, 1959F.J. Schalk, J.J. Lenert, M.L. HutchensRetracting Mechanismmilling machines
CA-609,503Nov. 29, 1960M.L. Hutchens, F.J. Schalk, J.J. LenertRetracting mechanismmilling machines
3,029,710Apr. 17, 1962F.J. Schalk, W.P. Bartz, A.H. FotschMachine Toolmilling machines
3,796,163Mar. 12, 1974J.E. Schluge, R.K. Sedgwick, F.J. Schalk, R.E. MeyerManufacturing Systemworkpiece changers and storage mechanisms
CA-1,046,807Jan. 23, 1979E.J. Kielma, F.J. Schalk, K.J. MerkelMachine tool with counterposed rotary toolheads carrying cross-feed tool slidesmilling machines
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