Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913525 | Pointer padlock | — | 2011-03-29 |
| 7698914 | Padlock | — | 2010-04-20 |
| 5148323 | Local reference beam generator | Blair F. Campbell, Richard B. Holmes, Dennis M. Guthals | 1992-09-15 |