Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D356851 | Toilet waste tank | Ronald J. Holmstadt, Douglas E. Loebertmann | 1995-03-28 |
| D354142 | Portable restroom | George E. McNamara, Ronald J. Holmstadt, Phillip R. Juaire, Douglas E. Loebertmann, John E. Paul | 1995-01-03 |
| D341193 | Urinal | — | 1993-11-09 |