Number | Name | Date | Kind |
---|---|---|---|
2858220 | Battiste | Oct 1958 | |
3108881 | Shaw et al. | Oct 1963 | |
3185579 | Dehne | May 1965 | |
3393077 | Morgau | Jul 1968 | |
3542568 | Bouyer | Nov 1970 | |
3793135 | Monia | Feb 1974 | |
3865302 | Kane | Feb 1975 | |
3891779 | Robinson et al. | Jun 1975 | |
3972153 | Kiellarson et al. | Aug 1976 | |
3989853 | Forkner | Nov 1976 | |
3997677 | Hirsch et al. | Dec 1976 |
Number | Date | Country |
---|---|---|
1,408,217 | May 1964 | FRX |
953,523 | Mar 1964 | GBX |
1,271,892 | Apr 1972 | GBX |
Entry |
---|
Modern Packaging, May 1966, pp. 69, 118. |
Baker's Weekly, Oct. 11, 1954, pp. 30-34. |