Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6559657 | Probe mapping diagnostic methods | William Patrick McCarthy, Kenneth L. Perdue, Donald D. Cummings | 2003-05-06 |
| 6481276 | Device for measuring the filling level of a filling material in a container | Joachim Neuhaus, Michael Krause, Udo Grittke | 2002-11-19 |
| 6078280 | Periodic probe mapping | Kenneth L. Perdue, William Patrick McCarthy, Donald D. Cummings | 2000-06-20 |
| 5973637 | Partial probe mapping | Kenneth L. Perdue, William Patrick McCarthy, Donald D. Cummings | 1999-10-26 |
| 5841666 | Processor apparatus and method for a process measurement signal | Kenneth L. Perdue, Donald D. Cummings | 1998-11-24 |
| 5661251 | Sensor apparatus for process measurement | Donald D. Cummings, Kenneth L. Perdue | 1997-08-26 |