Number | Name | Date | Kind |
---|---|---|---|
3723871 | Runyan et al. | Mar 1973 | |
3835888 | Leutner et al. | Sep 1974 | |
4251762 | Williams | Feb 1981 | |
4359677 | Dennon | Nov 1982 | |
4585029 | Harding | Apr 1986 | |
4605197 | Casey et al. | Aug 1986 | |
4656400 | Pailthorp et al. | Apr 1987 | |
4659969 | Stupak | Apr 1987 | |
4665348 | Stupak | May 1987 | |
4809742 | Grau | Mar 1989 | |
4825904 | Grau et al. | May 1989 | |
4842162 | Merkel | Jun 1989 | |
4907615 | Meyer et al. | Mar 1990 | |
4953590 | Kakinuma et al. | Sep 1990 | |
5091665 | Kelly | Feb 1992 | |
5244002 | Frderick | Sep 1993 | |
5249603 | Byers | Oct 1993 | |
5257014 | Zimmermann | Oct 1993 | |
5320123 | Corso et al. | Jun 1994 |
Entry |
---|
Denison--Hydraulics, Proportional Directional Valves, pp. 1-2, 1993. |