Number | Name | Date | Kind |
---|---|---|---|
3917179 | Graf | Nov 1975 | |
4311284 | Ratcliff, Jr. | Jan 1982 | |
4344581 | Redemann | Aug 1982 | |
4585180 | Potts | Apr 1986 | |
5114085 | Inui | May 1992 | |
5332164 | Page | Jul 1994 |
Number | Date | Country |
---|---|---|
10961101 | Feb 1954 | FRX |
3300892 | Jul 1984 | DEX |
3545708 | Jun 1987 | DEX |
2168667 | Jun 1986 | GBX |
Entry |
---|
Database WPI Section PQ, Week 9102 Derwent Publications Ltd., London, GB; Class P41, AN 91-0134564 & SU, A, 1 544 484 (as UKR Casting Problems), 23 Feb. 1990 see abstract. |