Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287588 | Upholstery and carpet cleaning equipment including external heat exchanger | Russell Gurstein | 1994-02-22 |
| 5229908 | Multiple circuit overload protection device | Russell Gurstein | 1993-07-20 |
| D326545 | External heat exchanger for upholstery and carpet cleaning equipment | Russell Gurstein | 1992-05-26 |
| 5001806 | Kit for fabric cleaning device | — | 1991-03-26 |
| 4803466 | Cleaning machine for carpet, upholstery and draperies | Russell Gurstein | 1989-02-07 |