Number | Name | Date | Kind |
---|---|---|---|
3351831 | Hemphill et al. | Nov 1967 | |
3870935 | Abels et al. | Mar 1975 | |
4135118 | Seeger et al. | Jan 1979 | |
4308489 | Bergmann | Dec 1981 | |
4559482 | Fencl | Dec 1985 | |
4739236 | Burkenpas | Apr 1988 |
Entry |
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"The Glendinning Automatic Twin Engine Synchronizer", Sturdy Marine, Sep. 29, 1987. |
"Digital Engine Synchronizer", Sturdy Marine, Sep. 21, 1988. |