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| Patents Granted on 1986-12-16 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,629,053 | Dec. 16, 1986 | F.E. Dailey | Closed Loop Machining System | milling machines | |
| 4,630,214 | Dec. 16, 1986 | D.A. Winski, H.W. Lawson, Jr., T.J. Langevin, K.S. Barney | Jig Grinder With Automatic Reciprocation and Outfeed Control | jig grinders | |