Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4328181 | Indicator material | David C. Weigel | 1982-05-04 | $4,249,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4328181 | Indicator material | David C. Weigel | 1982-05-04 | $4,249,000 |