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US Patent: 1,808,856
Valve Grinder
Patentee:
Fred W. Miller (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
451/117

Tool Categories:
specialty tools : valve grinding tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Nov. 19, 1928
Granted: Jun. 09, 1931

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Glenn S. Noble - patent attorney

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