Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653631 | Infinitely adjustable offset vent connector | John L. Andersen | 1997-08-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653631 | Infinitely adjustable offset vent connector | John L. Andersen | 1997-08-05 |