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| Patents Granted on 1989-07-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,848,202 | Jul. 18, 1989 | C.P. Crampton | Cut off or cross perforator or scoring cylinder with quick blade release | ||
| 4,848,761 | Jul. 18, 1989 | K.L. Rice | Work piece holder and blade guard for scroll saw | scrollsaws | |
| 4,849,744 | Jul. 18, 1989 | C.F. Govekar, M.C. Putrow | Digital Engine Analyzer | ||