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US Patent: 3,176,589
Keyway Cutting Machine
Patentee:
Lawrence A. Attermeyer (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
409/164, 409/184, 409/198, 82/125

Tool Categories:
metalworking machines : keyway cutting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 08, 1957
Granted: Apr. 06, 1965

Patent Pictures:
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Description:
Original application filed 08 Aug., 1957, now patent #3,018,696. Divided and this application filed 04 Apr., 1961.

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