Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402747 | Handswitch cord and circuit | David N. Heard | 2002-06-11 |
| 6325795 | Replaceable accessory cord and handswitch | David N. Heard | 2001-12-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402747 | Handswitch cord and circuit | David N. Heard | 2002-06-11 |
| 6325795 | Replaceable accessory cord and handswitch | David N. Heard | 2001-12-04 |