Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672214 | Concrete solar cell | John R. Arthur, Robert Kurt Graupner, Tyrus K. Monson, James A. Van Vechten | 1997-09-30 |
| 5488912 | Railway gondola car incorporating flexible panels of composite sheet material | James D. Pileggi | 1996-02-06 |
| 5415700 | Concrete solar cell | John R. Arthur, Robert Kurt Graupner, Tyrus K. Monson, James A. Van Vechten | 1995-05-16 |
| 5373792 | Railway gondola car incorporating flexible panels of composite sheet material | James D. Pileggi | 1994-12-20 |
| 4313679 | Test sample support assembly | Steven A. Eselun | 1982-02-02 |