Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8647030 | Core drilling system with torque shaft | Anders Johnsen | 2014-02-11 |
| 7703856 | Manhole cover frame removal saw | — | 2010-04-27 |
| 7658242 | Hole coring system with lever arm | — | 2010-02-09 |
| 7484578 | Hole coring system | — | 2009-02-03 |
| 7082656 | Pipe beveling system | Bill Glynn, Bruce Root | 2006-08-01 |
| 6238277 | Multidisc floor grinder | William D. Glynn | 2001-05-29 |
| 5850889 | Single post safety anchor | John Rexroad | 1998-12-22 |
| 5791979 | Grinding vacuum shroud | William D. Glynn | 1998-08-11 |
| 5782043 | Seismic correction system for retrofitting structural columns | Richard G. Meehan | 1998-07-21 |
| 5074044 | Dust disposal attachment for a rotary element of a power tool | William D. Glynn | 1991-12-24 |