Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399239 | Battery system | James J. Bolstad, James T. Daley, Michael G. Andrew, Thomas J. Dougherty, Edward N. Mrotek | 2002-06-04 |
| 6255014 | Center point vent cover for battery | Thomas J. Dougherty, Michael G. Andrew | 2001-07-03 |
| 5269395 | Portable tree mounted seat | Roger R. Lyzhoft, Sue A. Lenz | 1993-12-14 |