Manufacturers Index - McMahon & Carver | McMahon & Co.
McMahon & Carver | McMahon & Co.
Worcester, MA, U.S.A.
Manufacturer Class:
Metal Working Machinery
This page contains information on patents issued to this manufacturer.
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187,353
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Feb. 13, 1877
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Improvement in rests for metal-lathes
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Thomas F. Carver |
Worcester, MA |
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209,646
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Nov. 05, 1878
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Improvement in metal-drilling machines
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Edwin N. Boynton |
Worcester, MA |
Partner Plummer had worked for R. Ball & Co. in the 1860s, but by 1871 he seemed to be on his own. In 1871 Boynton was running E. A. Bagley & Co., which made screws. Co-inventor Carver went on to be a partner in engine lathe maker McMahon & Carver |
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Improvement in metal-drilling machines
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George M. Coburn |
Worcester, MA |
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Improvement in metal-drilling machines
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Thomas F. Carver |
Worcester, MA |
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222,178
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Dec. 02, 1879
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Improvement in machines for making metal screws
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Thomas F. Carver |
Worcester, MA |
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239,933
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Apr. 12, 1881
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Friction-clutch
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Thomas F. Carver |
Worcester, MA |
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257,883
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May. 16, 1882
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Lathe tail-stock
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Michael F. McMahon |
Worcester, MA |
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520,447
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May. 29, 1894
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Clutch
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Michael F. McMahon |
Worcester, MA |
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Clutch
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Thomas F. Carver |
Worcester, MA |
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712,575
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Nov. 04, 1902
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Friction-clutch
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Michael F. McMahon |
Worcester, MA |
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842,575
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Jan. 29, 1907
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Self-retaining adjusting means for clutch-actuating draft-bolts
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Michael F. McMahon |
Worcester, MA |
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851,956
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Apr. 30, 1907
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Friction-clutch for automobiles and other purposes
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Michael F. McMahon |
Worcester, MA |
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