Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8690485 | Rock bolt sealing system | Eric W. Smith | 2014-04-08 |
| 8585328 | Underground filling and sealing method | Eric W. Smith | 2013-11-19 |
| 7806631 | Underground filling and sealing method | Eric W. Smith | 2010-10-05 |
| 6955277 | Dispensing device and method | Eric W. Smith | 2005-10-18 |