Number | Name | Date | Kind |
---|---|---|---|
D259754 | Fleischmann et al. | Jul 1981 | |
D357838 | Lehn et al. | May 1995 | |
D357839 | Lehn et al. | May 1995 | |
D360792 | Shames | Aug 1995 | |
D362615 | Shames et al. | Sep 1995 | |
D391105 | Sharpe | Feb 1998 | |
D394574 | Moore | May 1998 | |
D394973 | Moore et al. | Jun 1998 | |
D398176 | Moore et al. | Sep 1998 | |
4907771 | Wang | Mar 1990 |