1. Pencil sharpeners
1. Pencil sharpeners
Number | Name | Date | Kind |
---|---|---|---|
501570 | Lustnauer | Jul 1893 | A |
961141 | Kingsbury | Jun 1910 | A |
D200000 | Richards et al. | Jan 1965 | S |
3255928 | Foster | Jun 1966 | A |
D332281 | Silverman | Jan 1993 | S |
5642234 | Altman | Jun 1997 | A |
D470182 | Gstalder | Feb 2003 | S |
D477847 | Gosse | Jul 2003 | S |
D623848 | Hirvimaki | Sep 2010 | S |
8157181 | Bates | Apr 2012 | B2 |
D670043 | Goldman | Oct 2012 | S |
D705354 | Shen | May 2014 | S |
D768239 | Shen | Oct 2016 | S |