Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9885471 | Multiple electronic tag holder | Mark Dirsa, Jeff Keisling, Robert Baran, Joseph Bobbin | 2018-02-06 |
| 8690375 | Power cord mounted electronic module for portable lamp | Joseph Bobbin, Mark Dirsa | 2014-04-08 |
| 8575893 | Portable lighting device | Mark Dirsa | 2013-11-05 |
| 7967467 | Portable lighting device | Mark Dirsa | 2011-06-28 |
| 7737655 | Electronic control module for a lithium-ion battery powered lantern | Mark Dirsa | 2010-06-15 |
| D605319 | Cap lamp | John A. Kosek | 2009-12-01 |
| 7563001 | Module adapter for portable light sources | Joseph Bobbin, Mark Dirsa | 2009-07-21 |
| 7549770 | Module for a flashlight or lantern | Mark Dirsa | 2009-06-23 |
| D583987 | Lamp lens | Matthew F. Malcolm, Mark Dirsa | 2008-12-30 |