Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10592884 | Split tender in a prepaid architecture | Bobby Wieler, Harry Lee Butler, IV | 2020-03-17 | $28,804,000 |
| 9870556 | Split tender in a prepaid architecture | Bobby Wieler, Harry Lee Butler, IV | 2018-01-16 | $13,141,000 |
| 6161429 | Dual path profilograph | Frederick J. Marvel, Zbigniew Rybak | 2000-12-19 | |
| 5255561 | Apparatus for measuring smoothness | Zbigniew Rybak | 1993-10-26 |