Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938775 | Button cell battery pack with air access channel | Robert C. Gaffney, Rodney McKenzie, Marc Syvertsen, Michael James Johnstone, Robert G. Reidl +3 more | 2005-09-06 |