Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695115 | Modular trash chute and room for multistory building | Mark D. Shantzis | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695115 | Modular trash chute and room for multistory building | Mark D. Shantzis | 1997-12-09 |