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| Patents Granted on 1989-02-14 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-1,249,922 | Feb. 14, 1989 | P.E. Holmstrom, J.F. Ogrinc | Spindle lock-up device | metalworking machine mechanisms | |
| 4,803,783 | Feb. 14, 1989 | M.D. Tiegs, E.C. Gamoke | Apparatus for gauging the diameter and concentricity of a bore | vehicle mechanic | |
| 4,804,921 | Feb. 14, 1989 | R.O. Quinn, D.W. Weidenbenner, G. Lindhard, G.D. Jonker, C.F. Govekar, L.J. Wisneski, M.C. Putrow | Digital Engine Analyzer | ||