Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612954 | Time switch system | — | 1997-03-18 |
JS
Jan P. W. Sandquist
Overall (1997): #134,455 of 185,788Top 75%
1
Patents 1997