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| All Patents in class 425/DIG.107 | |||||
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| Number | Date | Patentee | Title | Type | |
| 792,758 | Jun. 20, 1905 | A.M. Colt | Quick Acting Clamp | clamps | |
| 1,502,528 | Jul. 22, 1924 | L. Reulbach | Extensible Tool Holder | drilling and boring tool holders | |
| 1,783,884 | Dec. 02, 1930 | C.C. Lee | Valve-seat liner | valve and seat maintenance | |