Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832522 | Detector and system for indicating pressure change and methods of use | Garry L. Schaefer, Jerome B. Johnson | 2004-12-21 |
| 5864059 | Self-recording snow depth probe | Matthew Sturm | 1999-01-26 |
| 5815064 | Snow temperature and depth probe | Matthew Sturm | 1998-09-29 |