Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8336368 | Method and equipment for detecting sealing deficiencies in drainage and vent systems for buildings | David Campbell, Lynne Jack, Michael Gormley | 2012-12-25 |
| 7025092 | Positive air pressure attenuation device for drainage systems | David Campbell | 2006-04-11 |
| 5410257 | Zero insertion force test/burn-in socket | — | 1995-04-25 |
| 5162616 | Bus bar assembly | Kurt C. Hetzel | 1992-11-10 |
| 5160282 | High density connector module | John T. Doyle | 1992-11-03 |
| 4684189 | High voltage plug and receptacle | — | 1987-08-04 |
| 4582388 | High voltage snap on coupling | — | 1986-04-15 |
| 4481380 | High voltage insulator for electrical components having telescoping insulative sleeves | Theodore H. Wood | 1984-11-06 |