| Number | Name | Date | Kind |
|---|---|---|---|
| D328249 | Lee | Jul 1992 | |
| D341777 | Sheu | Nov 1993 | |
| 2459460 | Segal | Jan 1949 | |
| 2950004 | Acomb | Aug 1960 | |
| 4588082 | Ridings | May 1986 | |
| 5419434 | Capoccia | May 1995 | |
| 5456057 | Bannon et al. | Oct 1995 | |
| 5499561 | Quinn | Mar 1996 |
| Entry |
|---|
| Modern Packaging, p. 334, 1963. |
| Modern Packaging, p. 300, 1941. |