| Number | Name | Date | Kind |
|---|---|---|---|
| D193531 | Brown | Sep 1962 | |
| D363023 | Taylor | Oct 1995 | |
| D368221 | Montague | Mar 1996 | |
| D368428 | Croft | Apr 1996 | |
| D407640 | Nelson et al. | Apr 1999 | |
| 3319782 | Bowes | May 1967 | |
| 3325826 | Ruan | Jun 1967 | |
| 3910410 | Shaw | Oct 1975 | |
| 3940873 | Lawless | Mar 1976 | |
| 4941574 | Meehan | Jul 1990 | |
| 5938032 | Svec et al. | Aug 1999 | |
| 5979651 | Betts | Nov 1999 |
| Entry |
|---|
| Modern Packaging, p. 261, Jan. 1948. |