Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5397199 | Screed assembly for an asphalt paving machine | John J. Frampton, John A. Grassi, Karen Raab | 1995-03-14 |
| 4674110 | Hand and finger X-ray positioning device | John Keyser | 1987-06-16 |