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US Patent: 627,850
Compression Controller
Patentee:
Franklin Gatfield Hobart (exact or similar names) - Beloit, Rock County, WI

USPTO Classifications:
137/115.16, 417/440

Tool Categories:
industrial machines : pneumatic : air compressors : air compressor controllers

Assignees:
Fairbanks, Morse & Co. - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 13, 1898
Granted: Jun. 27, 1899

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

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