Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8746111 | Floating wrench assembly for drill rig | John J. Eglin | 2014-06-10 |
| 8033345 | Apparatus and method for a drilling assembly | Guy Randall, Brian Hollis, William E. Burky, Joe Szarka, Jack Weyer +2 more | 2011-10-11 |
| 7497274 | Hydraulic fluid tank for drilling machine | Guy Randall, Christopher L. Shepherd | 2009-03-03 |
| 7134513 | Drive mechanism for boring machine | Guy Randall, Joseph R. Szarka, Justin Wheeler, Stephen Berger | 2006-11-14 |
| 5586362 | Anti-rubbing block | — | 1996-12-24 |
| 5560084 | Slider | — | 1996-10-01 |