Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4191209 | Air flow sensing device for air conditioning systems | Frank J. Mattson, John Lawler, Jack L. Stegall | 1980-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4191209 | Air flow sensing device for air conditioning systems | Frank J. Mattson, John Lawler, Jack L. Stegall | 1980-03-04 |