US Patent: 2,592,913
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| Liquid Level Control Means
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Patentees:
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| Walter S. Landon, deceased (Estate of) (exact or similar names) - Detroit, Wayne County, MI |
| Marion E. Landon, Administratrix (exact or similar names) - Detroit, Wayne County, MI |
| USPTO Classifications: |
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137/389, 137/400, 137/416, 137/426, 137/428, 137/429, 137/456, 137/468, 137/65, 236/48A, 236/99H, 236/99R, 251/76
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 15, 1947 |
| Granted: |
Apr. 15, 1952 |
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Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.
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