The broken lines in
The broken lines in
| Number | Name | Date | Kind |
|---|---|---|---|
| 3005564 | Weichselbaum | Oct 1961 | A |
| D248873 | Raitto | Aug 1978 | S |
| D254446 | Raitto | Mar 1980 | S |
| D265129 | Leight | Jun 1982 | S |
| D267512 | Carlsson et al. | Jan 1983 | S |
| D269252 | Balistreri | Jun 1983 | S |
| D274754 | Chernack | Jul 1984 | S |
| D327647 | Lemme | Jul 1992 | S |
| D354656 | Strawbridge | Jan 1995 | S |
| D369655 | Esler et al. | May 1996 | S |
| D375551 | Esler et al. | Nov 1996 | S |
| D413379 | Leight | Aug 1999 | S |
| D444141 | Koss et al. | Jun 2001 | S |
| D466995 | Knauer et al. | Dec 2002 | S |
| D478658 | Falco | Aug 2003 | S |
| D521637 | Yang | May 2006 | S |
| D577812 | Zwart | Sep 2008 | S |
| D595268 | Kolton | Jun 2009 | S |
| Number | Date | Country |
|---|---|---|
| 18732 | Aug 1952 | CA |
| 000568217 | Sep 2006 | EP |