Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454757 | Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance | Douglas K. Feenstra | 2013-06-04 |
| 8343904 | Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance | Douglas K. Feenstra | 2013-01-01 |
| 7781387 | Automatic phosphate-free dishwashing detergent providing improved spotting and filming performance | Douglas K. Feenstra | 2010-08-24 |
| 6090767 | Automotive cleaning and protectant composition | Robert D. Faber | 2000-07-18 |
| 5971199 | Soil separation apparatus | Robert D. Faber, Donald W. Bushman | 1999-10-26 |
| 5866532 | Automotive cleaning and protectant composition | Robert D. Faber | 1999-02-02 |
| 5534173 | Light duty lubricant composition and method of use | Robert D. Faber | 1996-07-09 |