US Patent: 1,828,633
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| Injector for Feeding Water to Steam Boilers
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Patentees:
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| Belvin T. Williston (exact or similar names) - Somerville, Middlesex County, MA |
| Frederick W. Walch (exact or similar names) - Somerville, Middlesex County, MA |
| Chauncey D. Allen (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 16, 1929 |
| Granted: |
Oct. 20, 1931 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Ashcroft Mfg. Co.
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Description: |
| Patented in Canada, patent #CA-325,726. |
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