Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544296 | Disposable propel-repel pencil | John Kirby, Alan J. Lane, John P. Pokorski, Wilbur L. Sheffield | 1985-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544296 | Disposable propel-repel pencil | John Kirby, Alan J. Lane, John P. Pokorski, Wilbur L. Sheffield | 1985-10-01 |