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US Patent: 2,391,388
Grinding and Lapping Machine
Patentee:
Earl J. Bullard (exact or similar names) - Altadena, CA

USPTO Classifications:
451/286, 451/342, 451/550

Tool Categories:
metalworking machines : grinders : lapping machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 05, 1943
Granted: Dec. 25, 1945

Patent Pictures:
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