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US Patent: RE23,937
Lapping Machine
Patentees:
Earl J. Bullard, deceased (estate of) - Altadena, CA
Beth Bernice Green, executrix - Altadena, CA

USPTO Classifications:
125/2, 451/286, 451/443

Tool Categories:
metalworking machines : grinders : lapping machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 28, 1945
Granted: Feb. 08, 1955

Reissue Information:
Reissue of 2,565,590 (Aug. 28, 1951)

Patent Pictures:
USPTO pdf tiff
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