Issued Patents All Time
Showing 51–75 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340965 | Diode-based transmitter and receiver detuning circuits | Thomas G. Lavedas, Joseph J. Fraundorfer | 2019-07-02 |
| 10313022 | Active demodulation systems and methods for optical signals | Gary M. Graceffo, Andrew Kowalevicz | 2019-06-04 |
| 10305602 | Demodulation of QAM modulated optical beam using Fabry-Perot etalons and microring demodulators | Andrew Kowalevicz, Gary M. Graceffo | 2019-05-28 |
| 10256917 | Optically sensed demodulation systems and methods for optical communications | Gary M. Graceffo, Andrew Kowalevicz | 2019-04-09 |
| 10250292 | Optical rake receiver using an etalon detector | Gary M. Graceffo, Andrew Kowalevicz | 2019-04-02 |
| 10243670 | Optical signal processing using an optical resonator | Andrew Kowalevicz, Gary M. Graceffo | 2019-03-26 |
| 10243673 | Frequency demodulation systems and methods for optical signals | Andrew Kowalevicz, Gary M. Graceffo | 2019-03-26 |
| 10225020 | Systems and methods for demodulation of PSK modulated optical signals | Gary M. Graceffo, Andrew Kowalevicz | 2019-03-05 |
| 10177856 | Systems and methods for demodulation of phase modulated optical signals | Andrew Kowalevicz, Gary M. Graceffo | 2019-01-08 |
| 10164765 | Receivers and method for detecting a non-persistent communication superimposed on an overt communication channel | Andrew Kowalevicz, Gary M. Graceffo | 2018-12-25 |
| 10091039 | Precision large phase modulation phase measurement system | Gary M. Graceffo, Andrew Kowalevicz | 2018-10-02 |
| 10048073 | Beacon-based geolocation using a low frequency electromagnetic field | Clayton Davis, James C. Zellner, Steven Cotten | 2018-08-14 |
| 9973281 | Systems and methods for demodulation of free space optical signals without wavefront correction | Andrew Kowalevicz, Gary M. Graceffo | 2018-05-15 |
| 9915728 | Sub-diffraction limit resolution radar arrays | — | 2018-03-13 |
| 9885777 | Detection of stealth vehicles using VHF radar | — | 2018-02-06 |
| 9831925 | High efficiency polarized ULF/VLF/RF transciever antenna | — | 2017-11-28 |
| 9755765 | Magnetic antennas for ultra low frequency and very low frequency radiation | Steven Cotten, James C. Zellner | 2017-09-05 |
| 9684069 | High angular resolution low frequency radar with small antenna and high resolution low frequency ground penetrating radar | — | 2017-06-20 |
| 9581018 | System and method for determining soil characteristics and drilling instability during horizontal directional drilling | William Suliga, Thomas G Pepin, John T. Ishibashi, Michael A. Toreno, James A. Nalasco | 2017-02-28 |
| 9538096 | Imaging system and methods with variable lateral magnification | — | 2017-01-03 |
| 9451185 | Multi-spectral optical tracking system and methods | Michael R. Moan, Gerald W. Robertello, Clayton Davis, James C. Zellner | 2016-09-20 |
| 9395447 | Orientation measurements for drift correction | Sarah Law, Joanne M. Attridge, Preethi Pratap, David C. Fisher | 2016-07-19 |
| 9323034 | Eyepiece for variable lateral magnification imaging system | — | 2016-04-26 |
| 9181791 | System and method for determining soil characteristics and drillstring instability during horizontal directional drilling | William Suliga, Thomas G Pepin, John T. Ishibashi, Michael A. Toreno, James A. Nalasco | 2015-11-10 |
| 8636448 | Drilling apparatus, method, and system | John Hill, Mike Brennan, Joram Shenhar, David Koch, Mark Lombardo +1 more | 2014-01-28 |