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| Patents Granted on 1989-09-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,862,821 | Sep. 05, 1989 | R. Ballantyne | Mechanism for tensioning a moving chain | boats and ships | |
| 4,863,267 | Sep. 05, 1989 | M.A. Norris, E.S. Wahoski, R.B. Bendickson | Fiber Optic Toe/Track Measurement System | ||
| 4,866,319 | Sep. 12, 1989 | M.W. Crutchfield | Erasing machine | draftsman | |
| 4,868,995 | Sep. 26, 1989 | L.G. Lee | Apparatus and method for marking center of turning billet | ||
| 4,869,195 | Sep. 26, 1989 | T.J. Eichfeld | Fishing pole mounting device for a boat | ||