Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313558 | Constant efficiency controller | John James Schlachter, Mark Geoffrey Masen, Nicholas Roth Hanawalt, Lynn E. Cooper | 2022-04-26 |
| 7104460 | Method and controller for determining carbon dioxide emissions from a recirculating air heater | Mark Geoffrey Masen, David Ray Sundberg, John James Schlachter | 2006-09-12 |
| 5594601 | Method of programming audio tracks in a sequential medium | Daniel W. Staudacher | 1997-01-14 |
| 5414859 | Interprocessor communication protocol with built-in error prevention encoding | Daniel W. Staudacher | 1995-05-09 |
| 5396168 | Digital multimeter with microprocessor control | Jerry J. Heep | 1995-03-07 |