| Number | Name | Date | Kind |
|---|---|---|---|
| D241777 | Allman et al. | Oct 1976 | |
| D384582 | Cain | Oct 1997 | |
| 2953244 | Phillips | Sep 1960 | |
| 4143695 | Hoehn | Mar 1979 | |
| 4161261 | Frater | Jul 1979 | |
| 4391386 | Moret | Jul 1983 | |
| 4412616 | Williams | Nov 1983 | |
| 4467939 | Warwick | Aug 1984 | |
| 4685567 | Webb | Aug 1987 | |
| 4765480 | Malmanger | Aug 1988 | |
| 5088616 | Susko et al. | Feb 1992 | |
| 5253758 | Bissell, II | Oct 1993 | |
| 5294413 | Riihimaki et al. | Mar 1994 | |
| 5330069 | Jamison et al. | Jul 1994 | |
| 5392915 | Kalin | Feb 1995 | |
| 5415293 | Ackermann et al. | May 1995 | |
| 5555996 | Lang-Ree et al. | Sep 1996 | |
| 5673791 | Jamison | Oct 1997 | |
| 5992673 | Hwang | Nov 1999 | |
| 6036049 | Hwang | Mar 2000 |
| Entry |
|---|
| Paxton Brochure, p. 10 (Undated but believed to be prior art). |