Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841224 | Gap width probe and method | James D. Chalupnik, Jens E. Jorgensen | 1989-06-20 |
| 4814691 | Fringe field capacitive sensor for measuring profile of a surface | Laurence J. Albrecht, Jens E. Jorgensen, George F. Mauer | 1989-03-21 |