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US Patent: 1,305,242
Pneumatic cleaner
Patentee:
George W. Allen (exact or similar names) - Boston, MA

USPTO Classifications:
15/410, 15/413, 15/414, 310/62

Tool Categories:

Assignees:
B. F. Sturtevant Co. - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 26, 1914
Granted: Jun. 03, 1919

Patent Pictures:
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