The broken lines in
The broken lines in
| Number | Name | Date | Kind |
|---|---|---|---|
| D181516 | Canfield | Nov 1957 | S |
| D195740 | Kulow | Jul 1963 | S |
| D250929 | Gerstman et al. | Jan 1979 | S |
| D256682 | Lee et al. | Sep 1980 | S |
| D265462 | Andrulionis et al. | Jul 1982 | S |
| D329198 | Krupa | Sep 1992 | S |
| D342447 | Aylward | Dec 1993 | S |
| D371938 | Davis | Jul 1996 | S |
| D375683 | Schoff | Nov 1996 | S |
| D403467 | Krawec et al. | Dec 1998 | S |
| D438794 | Miles et al. | Mar 2001 | S |
| D452821 | Westphal | Jan 2002 | S |
| D468202 | Chou | Jan 2003 | S |
| D511437 | Brown | Nov 2005 | S |
| 20060102630 | Cassol et al. | May 2006 | A1 |
| Number | Date | Country |
|---|---|---|
| 2004016514 | Feb 2004 | WO |