US Patent: 953,124
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| Ground Stopper for use with Correspondingly Ground Bottle Necks, &c.
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Patentee:
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| Conrad M. Conradson (exact or similar names) - Madison, Dane County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 03, 1909 |
| Granted: |
Mar. 29, 1910 |
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Joel Havens
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Description: |
| Original application filed 25 July, 1907. Divided and application filed 19 Jan, 1909. Divided and this application filed 03 Sept, 1909. |
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