Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366630 | Sensor node communications system and related methods | Brian Losey, Sriram Manivannan, Samarpita Chowdhury, John S. Lettow, James Turney +3 more | 2025-07-22 |
| 12270927 | System to determine the location of a radio frequency source using radio frequency signal strength and related methods | James Turney, Jaclyn Scott, Dan Scheffer, Sriram Manivannan, John S. Lettow +5 more | 2025-04-08 |
| 10839279 | Transponder fabrication methods | Sriram Manivannan, Dan Scheffer, Jeremy D Smith | 2020-11-17 |
| 10349178 | Microphone diaphragm | John S. Lettow, Dan Scheffer | 2019-07-09 |
| D828827 | Transponder antenna inlay | Sriram Manivannan, Dan Scheffer | 2018-09-18 |
| 9811774 | Resilient radio-frequency tag | John S. Lettow, Sriram Manivannan, Dan Scheffer | 2017-11-07 |