Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4479111 | Photo-optical switch apparatus | Craig C. Madsen, Daniel B. Stewart | 1984-10-23 | $3,097,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4479111 | Photo-optical switch apparatus | Craig C. Madsen, Daniel B. Stewart | 1984-10-23 | $3,097,000 |