Number | Name | Date | Kind |
---|---|---|---|
D197501 | Huxtable | Feb 1964 | |
D256662 | Holland-Letz | Sep 1980 | |
D301011 | Holland-Letz | May 1989 | |
D303920 | Kandel | Oct 1989 | |
D309246 | Cascio et al. | Jul 1990 | |
D338385 | Shu | Aug 1993 | |
D346943 | Haberstroh | May 1994 | |
D371499 | Gomas | Jul 1996 | |
D372411 | Ho | Aug 1996 | |
2604661 | Karns | Jul 1952 | |
2871899 | Coyle et al. | Feb 1959 | |
2985209 | Novelo | May 1961 | |
3373479 | Watt et al. | Mar 1968 | |
4338270 | Uffindell | Jul 1982 | |
4739536 | Bandera et al. | Apr 1988 |
Number | Date | Country |
---|---|---|
0 358 883 | Jul 1989 | EPX |
Entry |
---|
"Series 500 Catalog," Felo, 1993. |
Number | Date | Country | |
---|---|---|---|
Parent | 057130 | Jul 1996 |