Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365175 | Method of locating ground faults | Richard L. Patterson, Allen H. Rose | 1994-11-15 |
| 4611090 | Semirigid photovoltaic module assembly and structural support therefor | Gary C. Catella, David A. Dilts, Paul E. Koch, Robert A. Hartman | 1986-09-09 |
| 4574160 | Flexible, rollable photovoltaic cell module | Robert A. Hartman, Paul E. Koch | 1986-03-04 |