| Number | Name | Date | Kind |
|---|---|---|---|
| 3608888 | McCain | Sep 1971 | |
| 3774901 | McCain et al. | Nov 1973 | |
| 3819173 | Anderson et al. | Jun 1974 | |
| 3891492 | Watson | Jun 1975 | |
| 3899165 | Abram et al. | Aug 1975 | |
| 4022455 | Newsome et al. | May 1977 | |
| 4121818 | Riley et al. | Oct 1978 | |
| 4279409 | Pemberton | Jul 1981 | |
| 4395031 | Gruber | Jul 1983 | |
| 4483526 | Bulka et al. | Nov 1984 | |
| 4500083 | Wong | Feb 1985 | |
| 4576370 | Jackson | Mar 1986 | |
| 4585220 | Zemke et al. | Apr 1986 | |
| 4678174 | Reist | Jul 1987 | |
| 4768766 | Berger et al. | Sep 1988 | |
| 4789147 | Berger et al. | Dec 1988 | |
| 4923189 | Nail | May 1990 | |
| 4989850 | Weller | Feb 1991 | |
| 5005815 | Auksi | Apr 1991 | |
| 5013019 | Samuels | May 1991 | |
| 5039075 | Mayer | Aug 1991 |
| Number | Date | Country |
|---|---|---|
| 967668 | May 1975 | CAX |
| 3421208 | Dec 1985 | DEX |
| WO8802734 | Apr 1988 | WOX |
| Entry |
|---|
| Graphic Arts Monthly, Nov., 1989 "Demographic Binding" by Peter Johnston, pp. 46, 48 and 50. |