Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843535 | Method of milling depressions and machine to perform same | Glen E. Thomas | 2005-01-18 |
| 5957620 | Method of installing respective depressions utilizing cooperation between milling actions of multiple cutting tools and machine to perform same | Glen E. Thomas | 1999-09-28 |
| 5695299 | Multi-tooled depression milling machine | Glen E. Thomas | 1997-12-09 |
| 5607255 | Method of milling to form highway depressions | Glen E. Thomas | 1997-03-04 |
| 5503499 | Impact formed depressions and installation machine | Glen E. Thomas | 1996-04-02 |
| 5484228 | Continuous moving highway depression cutting apparatus and method | Glen E. Thomas | 1996-01-16 |
| 5456547 | Cutting of repetitive depressions in roadway surface | Glen E. Thomas | 1995-10-10 |
| 5391017 | Continuous moving depression cutting tool for highway use | Glen E. Thomas | 1995-02-21 |