Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881511 | Crankcase ventilator | — | 1989-11-21 |
| 4821513 | Automobile exhaust gas cleaner | — | 1989-04-18 |
| 4442053 | Method of and apparatus for repairing a leak in a pipe or pipeline | Ian B. Woodhouse, Araspillai N. Ganendran | 1984-04-10 |