Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10414197 | Check fraud prevention method | — | 2019-09-17 |
| 8851019 | Pet restraint system | — | 2014-10-07 |
| 5430792 | Automated telephone calling system | David A. Jamroga, Paul Zmuda | 1995-07-04 |
| 4742537 | Telephone line monitoring system | — | 1988-05-03 |