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US Patent: 8,199
Machinery for Cutting Files
John Crum - Ramapo, NY

USPTO Classifications:
76/16, 76/20, 76/21

Tool Categories:
woodworking machines : specialty machines : tool making machines
metalworking tools : files

William T. Nicholson - Providence, NY

Not known to have been produced

Robt. Davis
Causten Browne

Patent Dates:
Granted: Jul. 01, 1851

Patent Pictures: [ 1 | 2 ]
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This patent was assigned to William T. Nicholson on 1 JUL 1857 and it is noted in the assignment ammendment that Crum's claim to the connection of the chisel with its stock by a joint in combination with a rolling bed is too broad. This patent is referenced, and features utilized, later in Nicholson's patent 78,681.

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