Number | Date | Country | Kind |
---|---|---|---|
9616442 | Aug 1996 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
2500787 | Legemann | Mar 1950 | |
2567485 | Jenny | Sep 1951 | |
4014639 | Froehlich | Mar 1977 | |
5256352 | Snyder | Oct 1993 | |
5393220 | Couwels et al. | Feb 1995 | |
5554022 | Nabors, Jr. et al. | Sep 1996 |
Number | Date | Country |
---|---|---|
1376395 | Dec 1974 | GBX |
Entry |
---|
wo 89/02051, IPC Saltin, Mar. 1989. |