Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596853 | Building block; system and method for construction using same | Richard R. Tangum | 1997-01-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596853 | Building block; system and method for construction using same | Richard R. Tangum | 1997-01-28 |