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US Patent: 3,471,731
Armature
Patentees:
Leonard C. Pratt (exact or similar names) - Greenfield, MA
Robert M. Pierce (exact or similar names) - Greenfield, MA

USPTO Classifications:
310/234, 310/235, 310/270

Tool Categories:
electrical devices : electric motors
handheld power tools

Assignees:
Millers Falls Co. - Greenfield, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 13, 1967
Granted: Oct. 07, 1969

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Millers Falls Co.
Randy Roeder's Millers Falls Co. site

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