Number | Name | Date | Kind |
---|---|---|---|
2885139 | Werner et al. | May 1959 | |
3047142 | Heffley | Jul 1962 | |
3049260 | Stone | Aug 1962 | |
3073439 | Symonds, Jr. | Jan 1963 | |
3335932 | Brown | Aug 1967 | |
4238031 | Skaggs | Dec 1980 | |
4925149 | DiFrancesca et al. | May 1990 | |
5040684 | Knowles | Aug 1991 | |
5060801 | Vilas-Boas | Oct 1991 | |
5299685 | Chin | Apr 1994 |
Number | Date | Country |
---|---|---|
170265 | Jul 1993 | JPX |
Entry |
---|
Tuscarora Plastics Packaging vol. 29, No. 3, Mar. 1984 p. 28. |