Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7582844 | Torch handle gas control | Kevin Horner-Richardson, Shiyu Chen, Roger W. Hewett, Joseph P. Jones, Darrin H. MacKenzie +1 more | 2009-09-01 |
| 6689983 | Torch handle gas control | Kevin Horner-Richardson, Shiyu Chen, Roger W. Hewett, Joseph P. Jones, Darrin H. MacKenzie +1 more | 2004-02-10 |