Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D262058 | Building with rearward facing solar panel | Andrew W. Graybeal, Steve S. Hiller | 1981-11-24 |
| D260436 | Building with side facing solar panel | Andrew W. Graybeal, Steve S. Hiller | 1981-08-25 |
| D260437 | Building with forward facing solar panel | Andrew W. Graybeal, Steve S. Hiller | 1981-08-25 |