Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071360 | Permanently attachable key-activated on/off switch | Edgar J. Lindow | 1991-12-10 |
| 4969833 | Permanently attachable key-activated on/off switch | Edgar J. Lindow | 1990-11-13 |