Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680960 | Volumetric fluid dispensing apparatus | Denis E. Keyes, John R. Randall, Jr. | 1997-10-28 |
| 5480063 | Volumetric fluid dispensing apparatus | Denis E. Keyes, John R. Randall, Jr. | 1996-01-02 |
| 5322160 | Conveyor belt changeover device | Lawrence Markiewicz | 1994-06-21 |
| 5090594 | Volumetric fluid dispensing apparatus and method | John R. Randall, Jr., Denis E. Keyes | 1992-02-25 |