Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9421672 | Clamp assembly | Stephen Rowlay, Robert Christie, James Spaulding, Karl Vanderbeek | 2016-08-23 |
| D688109 | Pistol grip screwdriver | Karl Vanderbeek, Gregory Tropea | 2013-08-20 |