Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302336 | Combined lighter and calculator for determining the number of cigarettes smoked | — | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302336 | Combined lighter and calculator for determining the number of cigarettes smoked | — | 1989-07-18 |