Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12151391 | Coping cut machine for carpentry molding | — | 2024-11-26 |
| 7048805 | Dual mode carpet cleaning method | Frank Stephan, Schubert Pereira | 2006-05-23 |
| 6789290 | Dual mode carpet cleaning device | Frank Stephan, Schubert Pereira | 2004-09-14 |
| 6568024 | Cleaning tool | Rodney D. Maddox, Frank Stephan, William B. Kennedy | 2003-05-27 |
| 6418587 | Cleaning tool | Rodney D. Maddox, Frank Stephan, William B. Kennedy | 2002-07-16 |
| 5974980 | Easily installed, adjustable, ironing board-in-a-drawer | — | 1999-11-02 |