Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026454 | Linear pressure switch apparatus and method | John T. Grzan, Matt Grzan | 2011-09-27 |
| 7659485 | Linear pressure switch apparatus and method | John T. Grzan, Matt Grzan | 2010-02-09 |