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US Patent: 2,706,892
Tracer Control Circuit for Pattern Controlled Machines
Patentees:
Hans Fritschi (exact or similar names) - Amberley Village, Hamilton County, OH
Albert H. Dall (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
173/152, 173/44, 409/79, 91/178, 91/36, 91/37

Tool Categories:
metalworking machines : profiling machines
metalworking machines : metalworking machine mechanisms

Assignees:
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 12, 1953
Granted: Apr. 26, 1955

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Milling Machine Co.

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