Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742476 | Automatic engine oil change indicator system | Ellen S. Schwartz, Donald John Smolenski, Trieu Nguyen | 1988-05-03 |
AW
Ann J. Wisehart
Overall (All Time): #3,951,341 of 4,157,543Top 100%
1
Patents All Time