Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5551788 | Writing instrument | Evan Pennell | 1996-09-03 |
| D288825 | Automatic pencil | John W. Thompson | 1987-03-17 |
| D286789 | Mechanical pencil | John W. Thompson | 1986-11-18 |
| 4529328 | Projection-retraction mechanism for a writing instrument | Jerry W. Digney | 1985-07-16 |