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US Patent: 1,744,886
Lapping machine
Patentee:
William F. Groene (exact or similar names) - Cincinnati, OH

USPTO Classifications:
451/181

Tool Categories:
metalworking machines : grinders : lapping machines

Assignees:
R. K. LeBlond Machine Tool Co. - Cincinnati, OH

Manufacturer:
R. K. LeBlond Machine Tool Co. - Cincinnati, OH

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 07, 1928
Granted: Jan. 28, 1930

Patent Pictures:
USPTO (New site tip)
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Vintage Machinery entry for R. K. LeBlond Machine Tool Co.
Description:
Lapping machine for bearings and crank pins.

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