The portions of the drawings appearing in broken line are for environment only and do not form a part of the design.
The portions of the drawings appearing in broken line are for environment only and do not form a part of the design.
| Number | Name | Date | Kind |
|---|---|---|---|
| 2169460 | Broughton | Aug 1939 | A |
| 2851295 | Chaffee | Sep 1958 | A |
| 4242932 | Barmore | Jan 1981 | A |
| 4266453 | Farley | May 1981 | A |
| 4890521 | Bien | Jan 1990 | A |
| 4924736 | Bonner | May 1990 | A |
| 5168782 | Cromwell | Dec 1992 | A |
| D345145 | Fogg et al. | Mar 1994 | S |
| 5291811 | Goss | Mar 1994 | A |
| 5378101 | Olson et al. | Jan 1995 | A |
| 5461952 | Goss | Oct 1995 | A |
| 5485769 | Olson et al. | Jan 1996 | A |
| 5595099 | Pusateri | Jan 1997 | A |
| 6186718 | Fogard | Feb 2001 | B1 |
| 6302632 | Lin | Oct 2001 | B1 |
| 6490950 | Ray et al. | Dec 2002 | B2 |
| 6601476 | Hu | Aug 2003 | B2 |
| Number | Date | Country |
|---|---|---|
| 0 570 040 | Nov 1993 | EP |
| 0 330 349 | Jul 1994 | EP |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29201779 | Mar 2004 | US |
| Child | 29241770 | US |