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| Patents Granted on 1992-02-25 | |||||
| Number | Date | Patentee | Title | Type | |
| 5,090,461 | Feb. 25, 1992 | D.M. Szymanski, V.P. Gakhar, J.H. Ballou, J.M. Leubbers | Router attachment permitting cutting of dentil moulding | handheld routers | |