Number | Name | Date | Kind |
---|---|---|---|
1438511 | Witham | Dec 1922 | A |
1718573 | Millspaugh | Jun 1929 | A |
3303576 | Sisson | Feb 1967 | A |
3447247 | Daane | Jun 1969 | A |
3849904 | Villalobos | Nov 1974 | A |
4238284 | Huostila et al.. | Dec 1980 | A |
4242808 | Luthi | Jan 1981 | A |
4462868 | Oubridge et al. | Jul 1984 | A |
4523390 | McCarthy | Jun 1985 | A |
5105558 | Curry | Apr 1992 | A |
5225042 | Eaton et al. | Jul 1993 | A |
5306395 | Myren | Apr 1994 | A |
5385644 | Hannus et al. | Jan 1995 | A |
5397437 | Ingemar | Mar 1995 | A |
5672248 | Wendt et al. | Sep 1997 | A |
5784801 | Thorp et al. | Jul 1998 | A |
5974691 | Marchal et al. | Nov 1999 | A |
Number | Date | Country |
---|---|---|
0 574 366 | Dec 1993 | EP |
Entry |
---|
Patent Coorperation Treaty Search Report from the International Search Authority, International Application No. PCT/US 02/08518 dated Jul. 19, 2002. |