Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10386280 | Device for measuring shear properties of asphalt mixtures | Josef Zak, John Harvey | 2019-08-20 | |
| 4838157 | Digital printhead energy control system | — | 1989-06-13 | $10,664,000 |