The broken line showing of the environmental structure of the writing device in
The broken line showing of the environmental structure of the writing device in
| Number | Name | Date | Kind |
|---|---|---|---|
| 1351552 | Bricken | Aug 1920 | A |
| D123485 | McKiernan | Nov 1940 | S |
| D144459 | Iwanowicz | Apr 1946 | S |
| D151771 | Kaupmann | Nov 1948 | S |
| D369830 | Hadtke | May 1996 | S |
| D394673 | Moorthy et al. | May 1998 | S |
| D402693 | Sunaga | Dec 1998 | S |
| D416286 | Paras et al. | Nov 1999 | S |
| D463489 | Yoon | Sep 2002 | S |
| D506500 | Qiu | Jun 2005 | S |
| D567851 | Uchibayashi | Apr 2008 | S |
| D579045 | Allemand | Oct 2008 | S |
| D579048 | Martin | Oct 2008 | S |
| D590884 | Katami et al. | Apr 2009 | S |
| D593602 | Katami et al. | Jun 2009 | S |
| D596231 | Hung | Jul 2009 | S |