Number | Name | Date | Kind |
---|---|---|---|
2578324 | Southwick, Jr. | Dec 1951 | |
2635742 | Swartz et al. | Apr 1953 | |
2838795 | Lockwood | Jun 1958 | |
3309849 | Ward | Mar 1967 | |
3547257 | Armentrout | Dec 1970 | |
3685720 | Brady | Aug 1972 | |
3734296 | Proctor et al. | May 1973 | |
3761013 | Shuster | Sep 1973 | |
3770119 | Hultberg et al. | Nov 1973 |
Entry |
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It's Paper . . . Sheet . . . Fabric . . . It's Spunbonded, Modern Plastics, Apr., 1968, pp. 93-95. |