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US Patent: 1,997,917
Gauge
Patentees:
Philip S. Russel (exact or similar names) - Detroit, Wayne County, MI
Adolf Von Wangenheim (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
66/96R, 73/729.1

Tool Categories:
specialty tools : gauges
gauges : liquid gauges

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 09, 1930
Granted: Apr. 16, 1935

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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