Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621806 | Apparatus and methods for determining the relative displacement of an object | James F. Hollander, Gene A. Frantz | 1997-04-15 |
| 5619583 | Apparatus and methods for determining the relative displacement of an object | James F. Hollander, Gene A. Frantz | 1997-04-08 |