Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479450 | Double seal kayak hatch | Gerald Zinnbauer, John Martin Schaefer | 2019-11-19 |
| 9914519 | Propulsion system for a watercraft | Hans Eric Nutz, Brian Karcher, Matthew Montaruli, Louis Rondeau | 2018-03-13 |
| 9586658 | Elevated kayak seat | Hans Eric Nutz | 2017-03-07 |
| 9242703 | Height-adjustable seat for watercraft | Hans Eric Nutz | 2016-01-26 |
| 6866396 | Illuminating device with rotatably adjustable support | — | 2005-03-15 |
| 6805470 | Light fixture including an improved latch mechanism | — | 2004-10-19 |