Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197798 | Method of fabricating a composite apparatus | Robert G. Bryant, Robert L. Fox, Richard F. Hellbaum, James W. High, Bruce D. Little +2 more | 2007-04-03 |
| 6734603 | Thin layer composite unimorph ferroelectric driver and sensor | Richard F. Hellbaum, Robert G. Bryant, Robert L. Fox, Wayne W. Rohrbach, Joycelyn O. Simpson | 2004-05-11 |
| 6629341 | Method of fabricating a piezoelectric composite apparatus | W. Keats Wilkie, Robert G. Bryant, Robert L. Fox, Richard F. Hellbaum, James W. High +2 more | 2003-10-07 |
| 6071087 | Ferroelectric pump | Richard F. Hellbaum, Wayne W. Rohrbach | 2000-06-06 |
| 5961096 | Ferroelectric fluid flow control valve | Richard F. Hellbaum, Wayne W. Rohrbach | 1999-10-05 |
| 5867991 | Ferroelectric Stirling-cycle refrigerator | Richard F. Hellbaum, Wayne W. Rohrbach | 1999-02-09 |
| 5844242 | Digital mammography with a mosaic of CCD arrays | James Alexander McAdoo | 1998-12-01 |
| 5802195 | High displacement solid state ferroelectric loudspeaker | Curtis R. Regan, Richard F. Hellbaum, Wayne W. Rohrbach | 1998-09-01 |
| 4895430 | Thermal compensating mount | Scott R. Campbell | 1990-01-23 |