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US Patent: 770,785
Pressure control for air-compressors
Patentee:
Edwin H. Steedman (exact or similar names) - St. Louis, MO

USPTO Classifications:
417/298

Tool Categories:
industrial machines : pneumatic : air compressors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George Bakewell
F. R. Cornwall
Patent Dates:
Applied: Nov. 02, 1903
Granted: Sep. 27, 1904

Patent Pictures:
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