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US Patent: 1,776,778
Combined blower and suction device
Patentee:
Adam A. Breuer (exact or similar names) - Chicago, IL

USPTO Classifications:
15/344, 15/405, 15/410, 417/234, 417/423.2

Tool Categories:
industrial machines : blowers

Assignees:
None

Manufacturer:
Breuer Electric Mfg. Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 16, 1927
Granted: Sep. 30, 1930

Patent Pictures:
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