Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831284 | Two level differential current switch MESFET logic | John F. Ewen | 1989-05-16 |
| D299639 | Battery cover with movable handle | Scott Cronrath, David B. Beidler | 1989-01-31 |
CA
Carl J. Anderson
General Battery: 1 patents #1 of 3Top 35%
Overall (1989): #30,361 of 140,708Top 25%
2
Patents 1989