Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11479937 | Combination plate and lateral stabilizers for use with a post and post spike | — | 2022-10-25 |
| 6356204 | Method and apparatus for detecting impending earthquakes | Robert Heidt, Afshin Sadri | 2002-03-12 |
| 5760696 | Discriminating earthquake detector | Afshin Sadri, Robert Heidt | 1998-06-02 |