Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5908211 | Flexible pipe joint seal | William Blackwell | 1999-06-01 |
| 5857191 | Web application server with secure common gateway interface | Robin Alston, Kevin M. Farrington | 1999-01-05 |
| 5527070 | Damage protection for in-ground pipe founded in expansive soils | — | 1996-06-18 |