Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833697 | Writing instrument for electronic counting and gravity switch reset | Stuart R. Peterson | 1989-05-23 |
| 4726044 | Writing instrument with solar-powered electronic counting and liquid cyrstal display | Stuart R. Peterson | 1988-02-16 |
| 4694506 | Foldable eyeshade | — | 1987-09-22 |