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US Patent: 2,813,597
Multi-dust collectors
Patentee:
Melvin W. First (exact or similar names) - Buffalo, NY

USPTO Classifications:
55/348, 55/436, 55/455

Tool Categories:

Assignees:
Buffalo Forge Co. - Buffalo, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 25, 1955
Granted: Nov. 19, 1957

Patent Pictures:
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