Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7082839 | Apparatus and method for testing moisture susceptibility, rutting and fatigue of material | E. Frank Dalton | 2006-08-01 |
| 6925889 | Devices and methods for applying known resistance loads and measuring internal angles of gyration in gyratory compactors | E. Frank Dalton | 2005-08-09 |
| 5824913 | Portable gyratory compactor and extruder with a single pivot and two gyration actuators | — | 1998-10-20 |
| 5606133 | Gyratory compactor with mold specimen extruder | Theodore G. Hines | 1997-02-25 |
| 5456118 | Gyratory compactor | Theodore G. Hines | 1995-10-10 |
| 4798147 | Drive wheel adjuster for driverless vehicle | Per E. Lindovist | 1989-01-17 |