Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890483 | Heaters | Lindy Pamela Caroline Watt | 1999-04-06 |
| 4981113 | Deaerator tray for a steam boiler feedwater heater system | Raghavachari Kannan | 1991-01-01 |
| 4980718 | Registration method in photolithography and equipment for carrying out this method | Stephen Hugh Salter, Alan M. Gundlach | 1990-12-25 |