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US Patent: 3,684,673
Method and apparatus for analyzing and controlling the cleaning operation of an electrochemical grinding device
Patentee:
Lester V. Colwell (exact or similar names) - Kalamazoo, MI

USPTO Classifications:
204/224M, 204/DIG.012, 205/644, 205/647, 205/663

Tool Categories:

Assignees:
Hammond Machinery Builders, Inc. - Kalamazoo, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 15, 1972

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hammond Machine Co.

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