Number | Date | Country | Kind |
---|---|---|---|
3720147 | Jun 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3912666 | Spitzer et al. | Oct 1975 | |
4472421 | Buchel et al. | Feb 1984 | |
4957730 | Bohn et al. | Sep 1990 |
Number | Date | Country |
---|---|---|
1175355 | Apr 1984 | CAX |
055397 | Nov 1981 | EPX |
0064830 | Nov 1982 | EPX |
0085370 | Oct 1983 | EPX |
2430039 | Mar 1976 | DEX |
2073229 | Oct 1981 | GBX |
8702580 | Jul 1987 | WOX |
Entry |
---|
Board of Appeals decision in Ser. No. 942,699, now U.S. Pat. No. 4,957,730. |