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US Patent: 3,176,449
Reverse-jet type dust filter
Patentees:
Williams Robert J. W (exact or similar names) - Buffalo, NY
Carlos S. Schultz (exact or similar names) - Buffalo, NY

USPTO Classifications:
55/294

Tool Categories:

Assignees:
Buffalo Forge Co. - Buffalo, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 06, 1961
Granted: Apr. 06, 1965

Patent Pictures:
USPTO (New site tip)
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