Number | Name | Date | Kind |
---|---|---|---|
D164302 | Harper | Aug 1951 | |
D208275 | Pearl et al. | Aug 1967 | |
D224518 | Pearl et al. | Aug 1972 | |
D291533 | Mangla | Aug 1987 | |
3396895 | Pearl et al. | Aug 1968 | |
3572578 | Rohdin | Mar 1971 | |
4625907 | Mangla | Dec 1986 |
Entry |
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Mobil Chemical Plastic Packaging Division, Feb. 1986. |