Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549880 | Reliability of electrical distribution networks | Ronald D. Willoughby | 2003-04-15 |
| 6056038 | Retractable barrier | Paul E. Brefka | 2000-05-02 |
| D339789 | Station for charging and organizing rechargeable power tools | Ronald E. Foster | 1993-09-28 |