Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319491 | Tub or the like | Neal P. Barnes, Thomas A. Bonnell, Martin A. Pieramico, Edward P. Stevens, Darrin M. Swagel | 1991-08-27 |
| 4974268 | Chair bathtub | Mark W. Cors, Edward P. Stevens | 1990-12-04 |