Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8628834 | Filling fenestration units | Andries J. Du Plessis, Georg Rudolf Gertner, Daniel P. Olsen | 2014-01-14 |
| 6088978 | Panel connection system | — | 2000-07-18 |
| 5519329 | Sensor for circuit tracer | — | 1996-05-21 |
| 5444364 | Circuit tracer having an electric field sensor, a differential electric field sensor and an inductive sensor | Sandra J. Horning, Gerald A. Wyatt, Daniel E. Reisem | 1995-08-22 |
| 5365163 | Sensor array for circuit tracer | Sandra J. Horning, Gerald A. Wyatt, Daniel E. Reisem | 1994-11-15 |
| 4942365 | Synchronous phase and/or frequency detection system | — | 1990-07-17 |