Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355100 | Battery powered magnetic pen with time out to prevent accidental battery discharge | — | 1994-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355100 | Battery powered magnetic pen with time out to prevent accidental battery discharge | — | 1994-10-11 |