Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D448631 | Cutting block assembly | — | 2001-10-02 |
| 5810471 | Recycled asphalt drum dryer having a low NO.sub.x burner | Robert H. Nath, John Wiley | 1998-09-22 |
| 5352275 | Method of producing hot mix asphalt | Robert H. Nath, John Wiley, Harry Hebard, Michael Miles | 1994-10-04 |
| 5344229 | Angle and velocity adjustment of a hot mix asphalt drum when output gas temperatures are uneven | Robert H. Nath, John Wiley, Carl R. Hutchison, Mike Miles | 1994-09-06 |
| 5322367 | Process control for recycled asphalt pavement drum plant | Robert H. Nath, John Wiley, Carl R. Hutchinson, Mike Miles | 1994-06-21 |
| 5303999 | Apparatus for control of recycled asphalt production | Robert H. Nath, John Wiley, Carl R. Hutchison, Mike Miles | 1994-04-19 |
| D319766 | Sanding block | — | 1991-09-10 |