Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557345 | Interchangeable tethered glasses | Betty L. Katzenmeyer | 1996-09-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557345 | Interchangeable tethered glasses | Betty L. Katzenmeyer | 1996-09-17 |