Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168205 | Method and apparatus for charging a battery in high amp and automatic charging modes | John T. C. Kan, John F. Kan | 1992-12-01 |
| 5086208 | Hand held electric arc welder | — | 1992-02-04 |