Number | Name | Date | Kind |
---|---|---|---|
3425879 | Shaw et al. | Feb 1969 | |
3574008 | Rice | Apr 1971 | |
3634150 | Horn | Jan 1972 | |
4369565 | Muramatsu | Jan 1983 | |
4371421 | Fan et al. | Feb 1983 | |
4378629 | Bozler et al. | Apr 1983 |
Number | Date | Country |
---|---|---|
WO8102948 | Oct 1981 | WOX |
Entry |
---|
Ser. No. 522,804 filed 8-12-83, Bradbury et al. |