Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D508930 | Welder | Howard E. Crisler, III, Roger L. DeYoung, Brian Frost | 2005-08-30 |
| 6897406 | Electric welder | Howard E. Crisler, III, Roger L. DeYoung, James A. Nutter, Matthew Rivera | 2005-05-24 |
| D504903 | Welder | Howard E. Crisler, III, Roger L. DeYoung, Brian Frost | 2005-05-10 |