Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5930846 | Wheelchair and water closet chair with remote control sliding members closing a gap | Patricia E. Warren-Pfaeffle | 1999-08-03 |
| 5820152 | Wheelchair and water closet chair with remote control extending arms closing a cap | Patricia E. Warren-Pfaeffle | 1998-10-13 |