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US Patent: 2,576,817
Hydraulic Tracer Control Unit
Patentee:
Arthur P. Waterson (exact or similar names) - Tulsa, OK

USPTO Classifications:
409/80, 82/11.5

Tool Categories:
metalworking machines : machine tool controls

Assignees:
R. K. Le Blond Machine Tool Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 01, 1948
Granted: Nov. 27, 1951

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

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