Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896074 | System and method for installation and use of devices in microboreholes | John Cook, Iain Cooper, Benjamin Peter Jeffryes, Richard Timothy Coates, William Wang +3 more | 2005-05-24 |
| 6351688 | Item dispensing system | Joseph C. Perin, Jr., David G. Wagoner | 2002-02-26 |
| 6038492 | Item dispensing system | Joseph C. Perin, Jr. | 2000-03-14 |
| 5943241 | Item dispensing system | Joseph C. Perin, Jr. | 1999-08-24 |