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US Patent: 2,684,604
Universal Knurling Tool
Patentee:
Charles Henry Froberg, Jr. (exact or similar names) - Brentwood, NY

USPTO Classifications:
72/108, 72/703

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 21, 1950
Granted: Jul. 27, 1954

Patent Pictures:
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