Number | Name | Date | Kind |
---|---|---|---|
3618611 | Urban | Nov 1971 | A |
D329092 | Carusillo et al. | Sep 1992 | S |
5492527 | Glowa et al. | Feb 1996 | A |
5980545 | Pacala et al. | Nov 1999 | A |
6036681 | Hooven | Mar 2000 | A |
6042593 | Storz et al. | Mar 2000 | A |
6113618 | Nic | Sep 2000 | A |
6221088 | Bays | Apr 2001 | B1 |
6293957 | Peters et al. | Sep 2001 | B1 |
Entry |
---|
U.S. patent application Ser. No. 10/103,104, Johnston et al., filed Mar. 22, 2002. |