Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316562 | Optical fiber tension monitoring technique | David H. Smithgall, Sr. | 1994-05-31 |
| 5228893 | Optical fiber tension monitoring technique | David H. Smithgall, Sr. | 1993-07-20 |