Number | Name | Date | Kind |
---|---|---|---|
2169315 | Yngve | Aug 1939 | |
2413449 | Hatch | Dec 1946 | |
2419864 | Westin | Apr 1947 | |
2705346 | Schlabach | Apr 1955 | |
3045287 | Yost et al. | Jul 1962 | |
3288898 | West | Nov 1966 | |
3905368 | Lewis, Jr. et al. | Sep 1975 | |
3949033 | Uhlig | Apr 1976 | |
3978859 | Goodenough et al. | Sep 1976 | |
4111324 | Winchell | Sep 1978 | |
4127208 | Fowles et al. | Nov 1978 | |
4288478 | Kinoshita et al. | Sep 1981 |
Number | Date | Country |
---|---|---|
2042664 | Sep 1980 | GBX |
Entry |
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Defensive Publication T913,002, Friction-Welded Bottom Seals on Thermoplastic Bottles, to Carmichael, Published Aug. 14, 1973. |