Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5730272 | Method for improved coin, bill and other currency acceptance and slug or counterfeit rejection | Bob M. Dobbins | 1998-03-24 |
| 5615760 | Method and apparatus for validating money | — | 1997-04-01 |
| 5564548 | Method and apparatus for currency acceptance and slug or counterfeit rejection | Bob M. Dobbins | 1996-10-15 |
| 5443144 | Method and apparatus for improved coin, bill and other currency acceptance and slug or counterfeit rejection | Bob M. Dobbins | 1995-08-22 |
| 5330041 | Method and apparatus for improved coin, bill and other currency acceptance and slug or counterfeit rejection | Bob M. Dobbins | 1994-07-19 |
| 5167313 | Method and apparatus for improved coin, bill and other currency acceptance and slug or counterfeit rejection | Bob M. Dobbins | 1992-12-01 |