Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845318 | Composite electrical insulator and method of forming same | Robin J. T. Clabburn | 1989-07-04 |
| 4827081 | Helical insulator containing at least one optical fiber | Judith L. Seabourne | 1989-05-02 |