Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000381 | Window fan with controller | Ross L. Bisplinghoff, Christopher Ferguson | 1991-03-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000381 | Window fan with controller | Ross L. Bisplinghoff, Christopher Ferguson | 1991-03-19 |