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US Patent: 2,712,273
Mill head
Patentee:
Edward R. Rusnok (exact or similar names) - Chicago, IL

USPTO Classifications:
409/171, 409/185, 409/204, 409/230

Tool Categories:
metalworking machines : drilling and boring : vertical boring mills

Assignees:
None

Manufacturer:
Rusnok Tool Works - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 03, 1951
Granted: Jul. 05, 1955

Patent Pictures:
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Vintage Machinery entry for Rusnok Tool Works
Description:
Seen on a Model 80 Rusnok mill, which is a precise, portable milling machine popular for watchmaking and other small-scale precision machining.

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