Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10116260 | VCO selection and amplitude management using center tap inductor | Andrew D. Davies, David M. Friend, Christopher W. Steffen | 2018-10-30 |
| 10088519 | Electromigration monitor | David M. Friend, Grant P. Kesselring, Eric John Lukes | 2018-10-02 |
| 9929722 | Wire capacitor for transmitting AC signals | David M. Friend, Grant P. Kesselring, Christopher W. Steffen | 2018-03-27 |
| 9923565 | Differential phase-frequency detector | David M. Friend, Grant P. Kesselring, Alan P. Wagstaff | 2018-03-20 |
| 9882552 | Low power amplifier | David M. Friend, Grant P. Kesselring, Michael A. Sperling | 2018-01-30 |
| 9871527 | Phase locked loop with sense amplifier circuitry | David M. Friend, Grant P. Kesselring, Michael A. Sperling | 2018-01-16 |