Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329851 | Functional polymer with a pendant color changing indicator | Yifan Zhang, Yi He, Diane R. Wolk, Larry R. Krepski, Stephen Richard Hartshorn +1 more | 2012-12-11 |
| 7540056 | Cleaning tool | Perry S. Dotterman, Scott J. Tuman, Diane R. Wolk, John M. Simon, Mark D. Sorlien +6 more | 2009-06-02 |
| 7465536 | Biological soil detector | Bernard A. Gonzalez, Kevin D. Landgrebe, Kimberley D. Klepzig, Sailaja Chandrapati, Susannah C. Clear +1 more | 2008-12-16 |
| D554309 | Cleaning pad | Diane R. Wolk, Amy M. Kunz, Michael J. Kubes, Shivshankar Venkataramani, Perry S. Dotterman +1 more | 2007-10-30 |
| D544667 | Floor cleaning device | Michael J. Kubes, Perry S. Dotterman, Byron E. Trotter, Arthur V. Lang | 2007-06-12 |