Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765357 | Impact tool control method and apparatus and impact tool using the same | David W. Cripe | 2004-07-20 |
| 6761229 | Impact tool control apparatus and impact tool using the same | David W. Cripe | 2004-07-13 |