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US Patent: 3,040,215
Shaft Rotation Senser
Patentees:
Edward B. Farmer (exact or similar names) - Cambridge, Middlesex County, MA
Waban Whitehouse (exact or similar names) - Cambridge, Middlesex County, MA

USPTO Classifications:
250/233, 340/671, 361/175

Tool Categories:
specialty tools : scales and balances
electrical devices : electrical measuring apparatus

Assignees:
Fairbanks, Morse & Co. - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 11, 1959
Granted: Jun. 19, 1962

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Fairbanks Morse & Co.

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