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| All Patents in class 285/383 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 49,142 | Aug. 01, 1865 | J. Old | Pipe Coupling | |
 | RE7,673 | May 08, 1877 | J. Old | Pipe-Coupling | |
| 466,255 | Dec. 29, 1891 | D.S. Paul | Nipple Holding Chuck | ||