Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566972 | Tire tread gauge using visual indicator | Kevin I. Bertness | 2023-01-31 |
| 11545839 | System for charging a series of connected batteries | Kevin I. Bertness | 2023-01-03 |
| 7940053 | Battery tester with promotion feature | Dennis V. Brown, Kevin I. Bertness, Stephen J. McShane, Michael E. Troy | 2011-05-10 |
| 7791348 | Battery tester with promotion feature to promote use of the battery tester by providing the user with codes having redeemable value | Dennis V. Brown, Kevin I. Bertness, Stephen J. McShane, Michael E. Troy | 2010-09-07 |
| 7777612 | Theft prevention device for automotive vehicle service centers | John S. Philbrook | 2010-08-17 |
| 7642787 | Automotive vehicle electrical system diagnostic device | Kevin I. Bertness | 2010-01-05 |
| 7126341 | Automotive vehicle electrical system diagnostic device | Kevin I. Bertness | 2006-10-24 |
| 6906522 | Battery tester with battery replacement output | Kevin I. Bertness | 2005-06-14 |