This is a divisional of copending application(s) Ser. No. 07/497,227 filed on Mar. 22, 1990, U.S. Pat. No. 5,246,812.
Number | Name | Date | Kind |
---|---|---|---|
3700449 | Lerner | Oct 1972 | |
3798034 | Laridon | Mar 1974 | |
3975197 | Mikelsons | Aug 1976 | |
4210712 | Munger et al. | Jul 1980 | |
4215168 | Yonemura et al. | Jul 1980 | |
4262071 | Larson | Apr 1981 | |
4489154 | Taylor, Jr. | Dec 1984 | |
4511641 | Basman et al. | Apr 1985 | |
4579810 | Johnson et al. | Apr 1986 | |
4659642 | Platzer et al. | Apr 1987 | |
4735892 | Orpwood et al. | Apr 1988 | |
4820611 | Arnold, III et al. | Apr 1989 | |
4895787 | Platzer | Jan 1990 | |
4948693 | Shadrach et al. | Aug 1990 | |
4978572 | Akao | Dec 1990 | |
5246812 | von Trebra | Sep 1993 |
Entry |
---|
Section Ch, Week 8610, Mar. 1986, Derwent Publ., Ltd., London, GB; Class A08, AN 86-065461 & JP-A-61 016 968 Jan. 1986. |
Section Ch, Week 8223, Jun. 1982, Derwent Publ. Ltd., London, GB; Class A12, AN 82-47056E & JP-A-57 070 647 May 1982. |
Section Ch, Week 8107, Feb. 1981, Derwent Publ., Ltd., London, GB; Class A12, AN 82-47056E & JP-A-55 158 962 Dec. 1980. |
Number | Date | Country | |
---|---|---|---|
Parent | 497227 | Mar 1990 |