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US Patent: 1,968,215
Tool for cleaning commutators and the like
Patentees:
Edward Henry Peterson (exact or similar names) - Chicago, IL
Norris F. McNaught (exact or similar names) - Chicago, IL

USPTO Classifications:
451/418, 451/492, 451/512, 451/513, 451/518, 451/523

Tool Categories:

Assignees:
Duro Metal Products Co. - Chicago, IL

Manufacturer:
Duro Metal Products Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 08, 1934
Granted: Jul. 31, 1934

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Duro Metal Products Co.

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