US Patent: 305,346
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| Gear-molding machine
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Patentee:
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| Peter L. Simpson (exact or similar names) - Minneapolis, MN |
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Patent Dates:
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| Applied: |
Mar. 03, 1884 |
| Granted: |
Sep. 16, 1884 |
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Jeff Joslin
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Description: |
| Also patented as Canada CA-2,2138. An ad in the 1885-01-03 American Machinist, page 12: "Simpson's Patent Gear Moulding Machine. The most perfect, most simple and most effective machine in existence. NO SUPERIOR for efficiency, accuracy and simplicity. Send for circular and prices. Sold manufacturers and vendors: North Star Iron Works Co., Minneapolis, Minn." |
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