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US Patent: 3,121,352
Tooth Forming Method and Apparatus
Patentee:
Willard B. McCardell - Royal Oak, Oakland County, MI

USPTO Classifications:
29/893.3, 72/374, 72/403, 72/406

Tool Categories:
metalworking machines : gear cutting tools

Assignees:
Michigan Tool Co. - Detroit, Wayne County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 18, 1961
Granted: Feb. 18, 1964

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Michigan Tool Co.

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