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| Patents Granted on 1986-12-09 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,627,164 | Dec. 09, 1986 | D.W. Williams, F. Mikic | Wire Stub Retainer and Handle Opening Spring | pliers | |
| 4,627,477 | Dec. 09, 1986 | M. Wise | Duplicating Lathe | wood lathes | |
| 4,628,441 | Dec. 09, 1986 | L.D. Ostby, H. Chung, E.E. Kirkham, R. Johnstone | Automatic Dynamic Error Compensator | metalworking machine mechanisms | |