Number | Name | Date | Kind |
---|---|---|---|
2145839 | Sherman et al. | Jan 1939 | |
2319802 | Dreyfuss | May 1943 | |
2784129 | Stephens | Mar 1957 | |
2980568 | Kazmierowiez | Apr 1961 | |
3314449 | Krone et al. | Apr 1967 | |
3406993 | Haynes | Oct 1968 | |
3642034 | Ullman et al. | Feb 1972 | |
3847693 | Ghersa et al. | Nov 1974 | |
4181157 | De Camp | Jan 1980 | |
4205105 | Blundell | May 1980 | |
4208373 | Matovich | Jun 1980 | |
4239064 | Gilman | Dec 1980 | |
4351365 | Bauermeister et al. | Sep 1982 | |
4421202 | Hoy | Dec 1983 | |
4462556 | Graham, Jr. | Jul 1984 | |
4576206 | Lauren | Mar 1986 | |
4713271 | Searl et al. | Dec 1987 | |
4719945 | Richards et al. | Jan 1988 | |
4857371 | McClintock | Aug 1989 | |
4890864 | Anderson et al. | Jan 1990 | |
4972759 | Nelson | Nov 1990 | |
5056564 | Roth | Oct 1991 | |
5099889 | Ratzlaff | Mar 1992 | |
5218170 | Ferlier et al. | Jun 1993 |
Number | Date | Country |
---|---|---|
0482680 | Aug 1929 | DEX |
0393467 | Jun 1933 | GBX |
Entry |
---|
Military Standardization Handbook-Plastics pp. 43-44-on polyethylenes. |