Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505433 | Sheet removal apparatus and method | Christopher Carmichael | 1996-04-09 |
| 4223663 | Ceiling mounted solar heat collector | Robert F. Carmichael, Jr. | 1980-09-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505433 | Sheet removal apparatus and method | Christopher Carmichael | 1996-04-09 |
| 4223663 | Ceiling mounted solar heat collector | Robert F. Carmichael, Jr. | 1980-09-23 |