US Patent: 1,923,760
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Grinding machine
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Patentee:
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John A. Smith (exact or similar names) - Cincinnati, OH |
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Patent Dates:
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Applied: |
Dec. 04, 1931 |
Granted: |
Aug. 22, 1933 |
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Jeff Joslin Vintage Machinery entry for United States Electrical Tool Co.
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Description: |
This patent number has been seen in a 1935 catalog for U.S. Electrical Tool Co., for their Model 95 multi-speed buffer/polisher and also for their Model 65 adjustable-speed AC grinder. |
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