Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8121971 | Intelligent drilling advisor | Michael L. Edwards, Cesar A. Gongora, Ganesh Iyer, David McGriffy, Donald F. Shafer +2 more | 2012-02-21 |
| 7031783 | Virtualized generic equipment model data and control router for factory automation | William T. O'Grady, Jr., Joel Taylor, Ryo Takeda, Nobuhiko Yoshimura, Donald F. Shafer +2 more | 2006-04-18 |
| 6665650 | Intelligent logic activity resolution | William T. O'Grady, Jr., Pierre Gauthier, Donald F. Shafer | 2003-12-16 |
| 4998681 | Dispenser for toilet rolls | — | 1991-03-12 |