| Number | Name | Date | Kind |
|---|---|---|---|
| 581232 | Hollandt | Apr 1897 | |
| 3128030 | Davies | Apr 1964 | |
| 3131846 | Whiteford | May 1964 | |
| 3164478 | Bostrom | Jan 1965 | |
| 3322267 | Weiss | May 1967 | |
| 3326443 | Burkett | Jun 1967 | |
| 3333760 | Bridenstine | Aug 1967 | |
| 3342397 | Duitsman | Sep 1967 | |
| 3565146 | Arnolds | Feb 1971 | |
| 3580463 | Duerink | May 1971 | |
| 3591032 | Baxter | Jun 1971 | |
| 3740238 | Graham | Jun 1973 | |
| 4205777 | Brown et al. | Jun 1980 | |
| 4653685 | Leary et al. | Mar 1987 | |
| 4753351 | Guillin | Jun 1988 | |
| 4795033 | Duffy | Jan 1989 | |
| 4796756 | Ott | Jan 1989 | |
| 4863054 | Capetta | Feb 1989 | |
| 4911291 | Iwata et al. | Mar 1990 | |
| 5048684 | Scott | Sep 1991 | |
| 5063940 | Adell et al. | Nov 1991 |
| Number | Date | Country |
|---|---|---|
| 2923106 | Dec 1980 | DEX |
| 1559692 | Feb 1969 | FRX |
| Entry |
|---|
| Techform Inc., Packaging Brochure, Nov. 11, 1982. |