Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12369669 | Systems and methods for providing reliable helmet suspension installation | Kevin R. Ketterer, John F. Rihn, Maxwell R. Naar | 2025-07-29 |
| 12285071 | Systems and methods for providing an assembly for releasably connecting an inner helmet and outer helmet shell | Kevin R. Ketterer | 2025-04-29 |
| 10166415 | Breathing apparatus with tank alignment system | Marco Tekelenburg, Bryan J. Peoples | 2019-01-01 |
| 9943711 | Tank attachment arrangement for a self-contained breathing apparatus | Stephen J. Denninger | 2018-04-17 |
| 9586065 | Modular tank cradle and backpack for self-contained breathing apparatus | Bryan J. Peoples | 2017-03-07 |
| 9220333 | Adjustable lumbar support for mounting on a backpack and backpack having the same | Stephen J. Denninger | 2015-12-29 |
| 9199103 | Fall protection arrangement | Mitchell H. Hetrich | 2015-12-01 |