Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442232 | Thin layer nuclear density gauge | Robert Ernest Troxler, Wewage Hiran Linus Dep, Alfred W. Jordan | 2002-08-27 |
| 6310936 | Thin layer nuclear density guage | Robert Ernest Troxler, Wewage Hiran Linus Dep, Alfred W. Jordan | 2001-10-30 |
| 6000935 | Adjustable apparatus for pyrolysis of a composite material and method of calibration therefor | Ali Regimand, Lawrence H. James, Lawrence E. Peters | 1999-12-14 |
| 5969261 | Apparatus and method for measuring rutting susceptibility | Donald K. McAlister | 1999-10-19 |
| 5939642 | Gyratory compactor | Michael L. King, Donald K. McAlister | 1999-08-17 |
| 5323655 | Method and apparatus for compacting material samples | Donald K. McAlister, David Minshall | 1994-06-28 |