| 6453157 |
Radio frequency tracking filter |
— |
2002-09-17 |
| 6219531 |
Architecture and frequency plan for a UHF portable radio |
John Russell Lane, John Poirier, Robert B. Sanders, William P. Overstreet, Johannes J. Vandegraaf +3 more |
2001-04-17 |
| 5795028 |
Modular chair and method |
Ralph J. Dussia, Jr., Margaret Hoffman, William A. Calvert, Jr., Duane Dutkievic, Charles R. West +1 more |
1998-08-18 |
| 5594354 |
Method for measuring selected frequencies of a coupled-dual resonator crystal |
Michael E. Roberts |
1997-01-14 |
| 5587663 |
Method for measuring the inductance of each resonator of a coupled-dual resonator crystal |
Michael E. Roberts |
1996-12-24 |
| 5272597 |
Attachment for surface-mounting a resonator crystal on a circuit board |
Alfred G. Staples |
1993-12-21 |
| 5217276 |
Chair mechanism |
Larry P. LaPointe, Karl J. Komorowski |
1993-06-08 |
| 5146174 |
Switching arrangement method and apparatus for making parameter measurement and adjustment of coupled dual resonator crystals using both resonator ports |
Samuel Toliver, Myron A. Turner, Jr. |
1992-09-08 |
| 5049828 |
Method and apparatus for parameter measurement of coupled-dual resonator crystals |
Samuel Toliver |
1991-09-17 |
| 5047726 |
Method and apparatus for implementing four-frequency measuring process for coupled-dual resonator crystals using both resonator ports |
Samual Toliver, John U. Daniels, Jr. |
1991-09-10 |
| 4839618 |
Monolithic crystal filter with wide bandwidth and method of making same |
A. Gordon Staples, Samuel Toliver |
1989-06-13 |
| 4833430 |
Coupled-dual resonator crystal |
Samuel Toliver, Robert J. Crescenzi |
1989-05-23 |
| 4676993 |
Method and apparatus for selectively fine-tuning a coupled-dual resonator crystal and crystal manufactured thereby |
Samuel Toliver, Robert J. Crescenzi |
1987-06-30 |
| 4627379 |
Shutter apparatus for fine-tuning a coupled-dual resonator crystal |
Samuel Toliver |
1986-12-09 |
| 4484158 |
Monolithic crystal filter and method of manufacturing same |
Alfred G. Staples |
1984-11-20 |
| 4477952 |
Piezoelectric crystal electrodes and method of manufacture |
Robert J. Crescenzi, John U. Daniels, Jr. |
1984-10-23 |
| 4433316 |
Crystal filter and method for fabrication |
Alfred G. Staples |
1984-02-21 |
