US Patent: 291,126
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| Safety-Valve
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Patentee:
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| Henry G. Ashton (exact or similar names) - Somerville, MA |
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Patent Dates:
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| Applied: |
Sep. 10, 1880 |
| Granted: |
Jan. 01, 1884 |
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Joel Havens
"Vintage Machinery" entry for Ashton Valve Co.
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Description: |
| This invention and its companion, 301,079, were granted several foreign patents including Canada CA-11,789 and Great Britain GB-188,003,849. This patent provides an improvement to patent 122,756. |
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