Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827241 | Combined, in-line spacer and switch, particularly for a vehicle's headlight | William M. Riser, Edward W. Gray | 1989-05-02 |
TR
Terry D. Riser
Overall (1989): #51,415 of 140,708Top 40%
1
Patents 1989