Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315492 | Road repair material comprising cement and a resin | — | 2001-11-13 |
| 5601892 | Hollow rods with nickel coated graphite fibers | — | 1997-02-11 |
| 5560734 | Bitumastic simulated paved surface | Graham J. Lucas | 1996-10-01 |
| 5282691 | Structural material and drain | Graham J. Lucas | 1994-02-01 |
| 4269165 | Oven hinge | Walter A. Wrotny | 1981-05-26 |