Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153111 | Screw machine | Raymond L. DeBlois, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton +4 more | 2006-12-26 |
| 6988877 | Screw machine | Raymond L. DeBlois, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton +4 more | 2006-01-24 |
| 6986652 | Screw machine | Raymond L. DeBlois, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton +4 more | 2006-01-17 |
| 6893240 | Screw machine | James W. Bush, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton +4 more | 2005-05-17 |
| 6506037 | Screw machine | James W. Bush, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton +4 more | 2003-01-14 |