Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612954 | Time switch system | — | 1997-03-18 |
JS
Jan P. W. Sandquist
Overall (All Time): #3,712,232 of 4,157,543Top 90%
1
Patents All Time