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| All Patents of Type: boring bars | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,338,117 | Aug. 29, 1967 | A.N. Sweeny, C.B. De Vlieg | Adjustable cutting tool and method of making the same | boring bars | |
| 3,348,434 | Oct. 24, 1967 | H.R. Plummer | Boring Bar Assembly for Deep Hole Boring | boring bars | |
| 3,349,648 | Oct. 31, 1967 | W.S. Holloway | Adjustable boring tool | boring bars | |
| 3,447,402 | Jun. 03, 1969 | J.C. Ray | Damped Tuned Boring Bar | boring bars | |
| 5,904,452 | May 18, 1999 | D. Kress | Chip Removing Precision Finishing Tool | insert tool holders | |