Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851607 | Rotating hanger system with ratchet mechanism | — | 2020-12-01 |
| 6239092 | Thickened acidic, hard surface cleaning and disinfecting compositions particularly useful for ceramic surfaces | Thomas Michael Papasso, Michael D. Love, Robert Fellows | 2001-05-29 |
| 5688435 | Pigmented rheopectic cleaning compositions with thixotropic properties | David A. Chang | 1997-11-18 |
| 5460742 | Aqueous acidic hard surface cleaner with abrasive | Robert P. Manzo | 1995-10-24 |
| 5421898 | Method and element for controlling release of a disinfectant from a substrate | — | 1995-06-06 |
| 5364550 | Liquid detergent composition | Robert P. Manzo | 1994-11-15 |
| 5256328 | Liquid toilet bowl cleaner and sanitizer containing halogen donating nanoparticles | Robert P. Manzo | 1993-10-26 |