Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672214 | Concrete solar cell | Robert Kurt Graupner, Tyrus K. Monson, James A. Van Vechten, Ernest G. Wolff | 1997-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672214 | Concrete solar cell | Robert Kurt Graupner, Tyrus K. Monson, James A. Van Vechten, Ernest G. Wolff | 1997-09-30 |