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| Patents Granted on 1987-05-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,663,855 | May 12, 1987 | H.F. Hamilton, R.L. Donahue | Drive-in, drive-out vehicle alignment system | vehicle body and frame repairer | |
| 4,663,971 | May 12, 1987 | J.R. Bakula | Static Wheel Balancer | ||
| 4,664,165 | May 12, 1987 | J.W. Mauger, H. Pollak | Surface mounted power tool | jointers | |