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US Patent: 1,980,789
Control Apparatus
Patentee:
Earnest J. dill (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
236/1H, 236/91F, 236/91R, 236/9R

Tool Categories:
industrial machines : industrial machine mechanisms : industrial control apparatus : flow controls
industrial tools : pressure regulators

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 27, 1933
Granted: Nov. 13, 1934

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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