Number | Name | Date | Kind |
---|---|---|---|
3864000 | Coller et al. | Feb 1975 | |
4756696 | Whiteman, Jr. | Jul 1988 | |
4789346 | Frantz | Dec 1988 | |
4820196 | Roselle et al. | Apr 1989 | |
4867690 | Thumma | Sep 1989 | |
4898215 | Jones | Feb 1990 |
Entry |
---|
Amp Inc, "Electronic" Sep. 11, 1972 p. 172. |