Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768449 | Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes | Tracy Olivier | 2004-07-27 |
| 6735542 | Method and apparatus for calculating altitude based on barometric and GPS measurements | Jay Dee Krull | 2004-05-11 |