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US Patent: 2,481,183
Pump Priming Means
Patentee:
Henry R. Welby (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
251/228, 417/443, 417/568

Tool Categories:
industrial machines : pumps : reciprocating pumps
industrial machines : pumps : pump unloaders

Assignees:
Detroit Lubricator Co. - Detroit, Wayne County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 30, 1946
Granted: Sep. 06, 1949

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.

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