Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D268642 | Combined power supply, tool holder and support therefor | — | 1983-04-19 |
| D268024 | Power supply unit | Kenneth C. Litt | 1983-02-22 |
| D267796 | Ornamental design for a power supply unit | Kenneth C. Litt | 1983-02-01 |
| D264174 | Combined power supply and tool holder | — | 1982-05-04 |
| D264175 | Combined power supply and tool holder | — | 1982-05-04 |