Number | Name | Date | Kind |
---|---|---|---|
3219281 | Jasper et al. | Nov 1965 | |
3269189 | Monk | Aug 1966 | |
3328587 | Brown et al. | Jun 1967 | |
4047814 | Westcptt | Sep 1977 | |
4391411 | Colburn | Jul 1983 | |
4515274 | Hollinger et al. | May 1985 | |
4563581 | Perten | Jan 1986 | |
4708485 | Illy | Nov 1987 | |
4860959 | Handleman | Aug 1989 | |
4875629 | Brors | Oct 1989 | |
4895034 | Poole | Jan 1990 | |
5035364 | Escallon | Jul 1991 | |
5359907 | Baker et al. | Nov 1994 |
Number | Date | Country |
---|---|---|
0144018 | Jun 1995 | EPX |
Entry |
---|
1987 brochure entitled "New Microtrac II"; Leeds & Northrup. (no month). |