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US Patent: 2,922,258
Grinder with oscillating head
Patentees:
Ramsay M. Bell - Kalamazoo, MI
Miles M. Bass - Kalamazoo, MI

USPTO Classifications:
451/159, 451/294, 451/414

Tool Categories:

Assignees:
Hammond Machinery Builders, Inc. - Kalamazoo, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 29, 1956
Granted: Jan. 26, 1960

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Hammond Machine Co.

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