Number | Name | Date | Kind |
---|---|---|---|
3860157 | Richards et al. | Jan 1975 | A |
4169550 | Williams | Oct 1979 | A |
4433802 | Woolf | Feb 1984 | A |
4449655 | Germe | May 1984 | A |
4513866 | Thomas | Apr 1985 | A |
4718524 | Crumley | Jan 1988 | A |
5152441 | Torena | Oct 1992 | A |
5381936 | Beery et al. | Jan 1995 | A |
5564612 | Gregory | Oct 1996 | A |
5573166 | Leja | Nov 1996 | A |
5628443 | Deutsch | May 1997 | A |
5676296 | Masters | Oct 1997 | A |
5826746 | Ash, Jr. | Oct 1998 | A |
5934527 | Von Neumann | Aug 1999 | A |
5961017 | Mehler | Oct 1999 | A |
6193118 | Kearl | Feb 2001 | B1 |
Number | Date | Country |
---|---|---|
19546 | Sep 1903 | GB |
117 | Jan 1860 | GB |
Entry |
---|
Reference 361,688 to Robers, Nov. 1906; the reference appears to be a foreign patent reference and lacks a specification. |