Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833805 | Display signs | — | 1989-05-30 |
| 4560080 | Reinforced structure for steel ends of cylindrical shipping containers | John K. Shepard | 1985-12-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833805 | Display signs | — | 1989-05-30 |
| 4560080 | Reinforced structure for steel ends of cylindrical shipping containers | John K. Shepard | 1985-12-24 |