Number | Name | Date | Kind |
---|---|---|---|
D221834 | Schwartz | Sep 1971 | |
D225724 | Strand | Jan 1973 | |
D236430 | Strand | Aug 1975 | |
D292378 | Brandt et al. | Oct 1987 | |
1166862 | Smoot | Jan 1916 | |
3069039 | Stickney | Dec 1962 |
Entry |
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Modern Plastics, May 1964, p. 88, Blown Polyethylene Bottle, top photo. |