Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319521 | Air distribution system | Karl U. Ingard, Herbert Willke | 1982-03-16 |
| 4313522 | Static pressure regain coupler for an air distribution system | Karl U. Ingard | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319521 | Air distribution system | Karl U. Ingard, Herbert Willke | 1982-03-16 |
| 4313522 | Static pressure regain coupler for an air distribution system | Karl U. Ingard | 1982-02-02 |