Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11256855 | Systems and methods for collation of digital content | Meir Simcha Bulua, Inessa Barkan | 2022-02-22 |
| D508262 | Stackable marker | — | 2005-08-09 |
| D502506 | Stackable marker | — | 2005-03-01 |
| 6688792 | Stackable markers | Mark D. Dobbs | 2004-02-10 |
| D464374 | Barrel-shaped marker | — | 2002-10-15 |
| D463490 | Mini marker | — | 2002-09-24 |
| D457916 | 3-sided pen | — | 2002-05-28 |
| D451137 | 3-Sided pen | — | 2001-11-27 |
| D414204 | Mini marker | — | 1999-09-21 |
| D413925 | Double-headed pen/marker | — | 1999-09-14 |
| D389518 | Triangular marker | — | 1998-01-20 |