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| Patents for James N. Colebrook | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,043,172 | Jul. 10, 1962 | J.N. Colebrook | Machine Tool Control | machine tool controls | |
| 3,160,040 | Dec. 08, 1964 | J.N. Colebrook, A.C. Nolte, H.R. Hudson | Modulated Feed for Engine Lathes | engine lathes | |
| 3,186,269 | Jun. 01, 1965 | J.N. Colebrook | Boring and Turning Lathes | metal lathes | |