Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10064943 | Therapeutic and diagnostic probes | Joy Kovar | 2018-09-04 |
| 5838804 | Apparatus and method for providing proper microphone DC bias current and load resistance for a telephone | James R. Holthaus | 1998-11-17 |
| 5832076 | Apparatus and method for determining the presence and polarity of direct current bias voltage for microphones in telephone sets | James R. Holthaus | 1998-11-03 |
| 4855946 | Reduced size phase-to-amplitude converter in a numerically controlled oscillator | Paul W. Ruben, Eugene F. Heimbecher, II | 1989-08-08 |
| 4856032 | High speed programmable frequency divider and PLL | James E. Klekotka | 1989-08-08 |