US Patent: 2,726,581
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| Tracer Controlled Safety Device
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Patentee:
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| Erwin G. Roehm (exact or similar names) - Norwood, Hamilton County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 01, 1949 |
| Granted: |
Dec. 13, 1955 |
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Joel Havens
"Vintage Machinery" entry for Cincinnati Milling Machine Co.
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Description: |
| Original application filed 01 Oct., 1949, now patent #2,641,969. Divided and this application filed 30 Jan., 1953. |
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