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US Patent: 686,778
Relief-governor for air-compressors
Patentee:
George F. Steedman (exact or similar names) - St. Louis, MO

USPTO Classifications:
137/624.27, 91/29, 91/52

Tool Categories:
industrial machines : pneumatic : air compressors : compressor relief valves

Assignees:
None

Manufacturer:
Curtis & Co. Mfg. Co. - St. Louis, MO

Witnesses:
A. S. Gray
William H. Scott
Patent Dates:
Applied: Sep. 30, 1899
Granted: Nov. 19, 1901

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Curtis & Co. Mfg. Co.

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