Number | Name | Date | Kind |
---|---|---|---|
3303152 | Harvey | Feb 1967 | |
3665068 | Duling et al. | May 1972 | |
4127619 | Godfrey | Nov 1978 | |
4461873 | Bailey et al. | Jul 1984 | |
4471086 | Foster | Sep 1984 | |
4509821 | Stenger | Apr 1985 | |
4530914 | Ewen et al. | Jul 1985 | |
4540753 | Cozewith | Sep 1985 | |
4680330 | Berrier et al. | Jul 1987 | |
4789714 | Cozewith et al. | Dec 1988 | |
4795767 | Tarczyk et al. | Jan 1989 | |
4859749 | Franke | Aug 1989 | |
4874820 | Cozewith et al. | Oct 1989 | |
4880843 | Stein | Nov 1989 | |
4933393 | Toyota et al. | Jun 1990 | |
4939217 | Stricklen | Jul 1990 | |
5019627 | Honma et al. | May 1991 | |
5102955 | Calabro et al. | Apr 1992 | |
5115067 | Yagi et al. | May 1992 |
Number | Date | Country |
---|---|---|
647527 | Aug 1962 | CAX |
54-161657 | Dec 1979 | JPX |
203402 | Dec 1986 | JPX |
Entry |
---|
Modern Plastics-1963ED-p. 227-1962. |