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US Patent: 2,558,937
Air Conditioning System and Apparatus
Patentee:
Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
236/1C

Tool Categories:
specialty machines : air conditioning apparatus
hardware : valves
industrial machines : industrial machine mechanisms : industrial control apparatus : flow controls

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 19, 1945
Granted: Jul. 03, 1951

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

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