Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11016028 | Parallel imaging system | Robert Stoughton, Kathy L. Rowlen | 2021-05-25 |
| 8690485 | Rock bolt sealing system | Homer D. Libengood | 2014-04-08 |
| 8585328 | Underground filling and sealing method | Homer D. Libengood | 2013-11-19 |
| 7806631 | Underground filling and sealing method | Homer D. Libengood | 2010-10-05 |
| 6955277 | Dispensing device and method | Homer D. Libengood | 2005-10-18 |
| 5778160 | Liquid ink printing system having region-dependent image processing | — | 1998-07-07 |