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| All Patents in class 279/4.03 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,963,298 | Dec. 06, 1960 | R.F. Wharton, B.R. Better | Hydraulically Expanding Thin Walled Tools | mandrels and arbors | |
| 3,133,740 | May 19, 1964 | A.W. Drantz | Hydraulic Type Holder for Drill Chucks and the Like | hydraulic apparatus | |
| 5,522,441 | Jun. 04, 1996 | R. Bowness, S.J. Perry, W.D. Fulton, K.R. Anselm, G. Footit | Wood lathe tooling | wood lathe tools | |