Number | Name | Date | Kind |
---|---|---|---|
3645141 | Moore et al. | Feb 1972 | |
3968730 | Lionet | Jul 1976 | |
4191215 | Gonner | Mar 1980 | |
4271867 | Milberger et al. | Jun 1981 | |
4325127 | Major | Apr 1982 | |
4664136 | Everett | May 1987 | |
4712173 | Fujiwara et al. | Dec 1987 | |
4913032 | Wernberg | Apr 1990 | |
4986305 | Richards et al. | Jan 1991 |
Number | Date | Country |
---|---|---|
2174824 | Nov 1986 | GBX |
Entry |
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"Imagine . . . A Self-Calibrating Pressure Transducer" advertisement for Scanivalve Corp., San Diego, Calif., 1987. |
"Metering Valve W/Regulator" article, Tech Data South Bend Controls Inc. Bulletin, PV-210, SBC, 1987. |
"Metering Valve" article, Tech Data South Bend Controls Inc. Bulletin, PV-211, SBC, 1987. |
Article entitled "Actuator Accepts Electrical Digital Control Signals Directly--Eliminates Digital-To-Analog Converters". |