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US Patent: 2,131,970
Piston Ring Construction
Patentee:
Frederick Ritz (exact or similar names) - Hamilton, Butler County, OH

USPTO Classifications:
277/461

Tool Categories:
propulsion and energy : internal combustion engines : piston rings

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 09, 1936
Granted: Oct. 04, 1938

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

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