Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4736816 | Noise-suppressing air intake for ventilation fans | Donald E. Richard, Kenneth A. Neely | 1988-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4736816 | Noise-suppressing air intake for ventilation fans | Donald E. Richard, Kenneth A. Neely | 1988-04-12 |