Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9180724 | Dry-erase drawing sheet and apparatus | Craig Skinner, Joseph Thomas Moll | 2015-11-10 |
| D730448 | Marker cap | Thomas R. Rau | 2015-05-26 |
| D481533 | Pencil case | James A. McGillivray, Burke Emerson Landis | 2003-11-04 |
| 6626600 | Writing instrument | Douglas Brand, George J. Nagle, Francis G. Schiro | 2003-09-30 |
| 6565275 | Marker with eraser | Douglas Brand, Robert S. Volk | 2003-05-20 |
| 6505984 | Crayon with eraser | David Scott Smith, Douglas Brand, Robert S. Volk | 2003-01-14 |
| D402314 | Pencil sharpener | Harry J. Lidle, Jr. | 1998-12-08 |