Number | Name | Date | Kind |
---|---|---|---|
D193121 | Wickman | Jun 1962 | |
D200182 | Crowell et al. | Jan 1965 | |
D212463 | Vanderhyde | Oct 1968 | |
D223900 | Douglas et al. | Jun 1972 | |
D265060 | Blank | Jun 1982 | |
D314147 | Davis | Jan 1991 | |
3107035 | Cholet | Oct 1963 | |
3741447 | Miles et al. | Jun 1973 | |
4236653 | Gach | Dec 1980 | |
4854473 | Dubach | Aug 1989 | |
5143234 | Lohrman et al. | Sep 1992 |
Entry |
---|
Polytop Dispensing Closures ad, Package Engineering, Apr. 1981, p. 120. |