Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052521 | Stairway wheelchair lift | David W. Wendt, John F. Prendergast, Sr., Edward T. Gisske | 1991-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052521 | Stairway wheelchair lift | David W. Wendt, John F. Prendergast, Sr., Edward T. Gisske | 1991-10-01 |