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US Patent: 477,911
Grinding Attachment for Lathes
Patentees:
George A. Mueller (exact or similar names) - Cincinnati, Hamilton County, OH
Oscar W. Mueller (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
451/180, 451/406, 451/436

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:
George A. Mueller - Cincinnati, Hamilton County, OH
George A. Muenzenmaier - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 01, 1892
Granted: Jun. 28, 1892

Patent Pictures:
USPTO (New site tip)
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