Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5913829 | Sensing device for acoustic energy | Christian Hilmer, Douglas R. Miller | 1999-06-22 |
| 5885222 | Disposable acoustic pad sensors | James J. Kassal, A. Christian Hilmer | 1999-03-23 |
| 5807268 | Disposable sensing device with contaneous conformance | Christian Hilmer, Douglas R. Miller | 1998-09-15 |
| 5562823 | Combination centrifugal and sonic device for separating components within a solution | — | 1996-10-08 |
| 5365937 | Disposable sensing device with contaneous conformance | Christian Hilmer, Douglas R. Miller | 1994-11-22 |
| 5337752 | System for simultaneously producing and synchronizing spectral patterns of heart sounds and an ECG signal | — | 1994-08-16 |
| 4722641 | Method and means for effecting discharge of dry bulk material from hopper-type vessel | — | 1988-02-02 |