US Patent: 2,221,141
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| Dowel pin
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Patentee:
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| Ernest T. Kindt (exact or similar names) - Lakewood, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 01, 1940 |
| Granted: |
Nov. 12, 1940 |
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Jeff Joslin
Vintage Machinery entry for Kindt-Collins Co.
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Description: |
| These tapered metal pins are for use by patternmakers to keep parts of a mold aligned. This patent is of interest because it is the earliest patent assigned to Kindt-Collins, a maker of sanding machines. |
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