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US Patent: 2,390,101
Suction cleaning apparatus
Patentee:
John P. Jason (exact or similar names) - Chicago, IL

USPTO Classifications:
15/327.2, 280/79.11, 55/315, 55/473

Tool Categories:

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 10, 1943
Granted: Dec. 04, 1945

Patent Pictures:
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