Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D499175 | Portable toilet | William Jay Kelley, Daniel Sommerfeld, Reginald Adams | 2004-11-30 |
| 6766541 | Joint for a portable restroom | Reginald Adams, Daniel Sommerfeld, William Jay Kelley | 2004-07-27 |