Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9089952 | Electronic identifier attachments for bits | Christopher J. Ruf | 2015-07-28 |
| 8870078 | Hand tool having an electronic identification device | David A. Webb, Christopher J. Ruf | 2014-10-28 |