Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9283411 | Gas sensing drift compensation using gas self-referencing for end of service life indication for respirators | Christopher Scott Larsen, Peter Tobias | 2016-03-15 |
| 9134427 | Determination of time zone and DST participation | — | 2015-09-15 |