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US Patent: 2,560,449
Free piston engine
Patentees:
Martin Kahr (exact or similar names) - Milwaukee, WI
Vincent R. Noll (exact or similar names) - Milwaukee, WI

USPTO Classifications:
91/243, 91/25, 91/39

Tool Categories:

Assignees:
Filer & Stowell Co. - Milwaukee, WI

Manufacturer:
Filer & Stowell Co. - Milwaukee, WI

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 02, 1947
Granted: Jul. 10, 1951

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Filer & Stowell Co.

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