Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9861096 | Biodegradable chemical delivery system | Margaret W. Frey, Chunhui Xiang, Michael P. Hoffmann, Alan G. Taylor | 2018-01-09 |
| 4995202 | Nozzle unit and method for using wet abrasives to clean hard surfaces | Dennis J. Gulau | 1991-02-26 |