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US Patent: 3,206,030
Vacuum filter
Patentee:
Mark R. Estabrook (exact or similar names) - Rockford, IL

USPTO Classifications:
210/108, 210/138, 210/358, 210/387, 210/391, 210/97

Tool Categories:

Assignees:
Barnes Drill Co. - Rockford, IL

Manufacturer:
Barnes Drill Co. - Rockford, IL

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 22, 1962
Granted: Sep. 14, 1965

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

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