Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198993 | Drain fitting device | Dale A. Van Spengen, Lee Lina Ourn | 2021-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198993 | Drain fitting device | Dale A. Van Spengen, Lee Lina Ourn | 2021-12-14 |