US Patent: 2,297,872
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| Control Apparatus
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Patentees:
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| Franklyn Y. Carter (exact or similar names) - Detroit, Wayne County, MI |
| William E. Cowley (exact or similar names) - Detroit, Wayne County, MI |
| Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI |
| USPTO Classifications: |
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236/68R, 236/92B, 251/11, 251/14, 251/77, 62/202, 62/211, 62/212, 92/101, 92/35, 92/36
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 09, 1940 |
| Granted: |
Oct. 06, 1942 |
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Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.
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