Number | Name | Date | Kind |
---|---|---|---|
4646891 | Braun | Mar 1987 | |
4855913 | Brekkestran et al. | Aug 1989 | |
4899858 | Cote et al. | Feb 1990 | |
4967385 | Brekkestran et al. | Oct 1990 | |
4989471 | Bulgrien | Feb 1991 | |
5082097 | Goeckner et al. | Jan 1992 | |
5224577 | Falck | Jul 1993 | |
5249658 | Goeckner et al. | Oct 1993 | |
5335174 | Kohno et al. | Aug 1994 | |
5337871 | Testerman | Aug 1994 | |
5626534 | Ashley et al. | May 1997 | |
5842375 | Reeves et al. | Dec 1998 | |
5853076 | McKee et al. | Dec 1998 |
Entry |
---|
SAE Technical Paper Series No. 861212, Sep. 1986, Goodbar, J.E. and Testerman, M.D., entitled "The Design And Development of a Four Speed Powershift Transmission with Electronic Clutch Pressure Modulation". |
Ford New Holland, "Part 5--Transmission Systems (Post Mar. 1990)" published 1990, pp. 1-7. |
Copy of U.S. Patent Application 07/521,504 (Bulgrien et al.) filed May 10, 1990, now abn. |