Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006779 | Electrical unit with multi-position switch | Kenneth R. Fenne, Witalij Didyk | 1991-04-09 |
| 4743829 | Plug-in device with slide cover over plug prongs | Kenneth R. Fenne, Witalij Didyk | 1988-05-10 |
| 4647832 | Three position switch for portable, rechargeable device | Kenneth R. Fenne, Witalij Didyk | 1987-03-03 |