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US Patent: 2,868,550
Collet
Patentees:
John L. Maryanski (exact or similar names) - Garfield Heights, OH
Michael L. Valentino (exact or similar names) - Cleveland Heights, OH

USPTO Classifications:
279/35, 279/50

Tool Categories:

Assignees:
Bardons and Oliver, Inc. - Cleveland, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 03, 1956
Granted: Jan. 13, 1959

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Bardons & Oliver

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