Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329581 | Ambient light sensor touch switch system and method | Robert C. Helfrich, Jr. | 1982-05-11 |
JJ
Jack E. Francis, Jr.
Overall (1982): #56,429 of 81,411Top 70%
1
Patents 1982