Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695607 | System and method for plugging core holes | Chris Stubblefield | 2017-07-04 |
| 9410335 | System and method for plugging core holes | Chris Stubblefield | 2016-08-09 |
| 8572913 | System and method for plugging core holes | Chris Stubblefield | 2013-11-05 |