Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8853921 | Heat removal design for LED bulbs | Ronald J. Lenk, Carol Lenk, Matthew P. Galla | 2014-10-07 |
| 8702257 | Plastic LED bulb | Ronald J. Lenk, Carol Lenk | 2014-04-22 |
| 8547002 | Heat removal design for LED bulbs | Ronald J. Lenk, Carol Lenk, Matthew P. Galla | 2013-10-01 |
| 4894755 | Retractable tire change lights for automotive vehicles | — | 1990-01-16 |
| 4852843 | Beverage holder for attachment to vehicle heating and cooling vents | — | 1989-08-01 |
| 4802069 | Retractable tire change lights for automotive vehicle | — | 1989-01-31 |