Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8667848 | Pressure indicator | Alexander E. H. Fitzhugh | 2014-03-11 |
| 8650962 | Pressure indicator | Alexander E. H. Fitzhugh | 2014-02-18 |
| 8573061 | Pressure indicator | Alexander E. H. Fitzhugh | 2013-11-05 |