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US Patent: 681,167
Electrical Controller Attachment
Patentees:
Guy L. Fairbrother (exact or similar names) - Thompsonville, Hartford County, CT
Albert H. Mathewson (exact or similar names) - Thompsonville, Hartford County, CT

USPTO Classifications:
74/565

Tool Categories:
electrical devices : electric motors : motor controls

Assignees:
Albert H. Mathewson - Thompsonville, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 19, 1901
Granted: Aug. 20, 1901

Patent Pictures:
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