Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319144 | Single polarity circuit | William C. King, Charles E. Riehm, Jr., Sigurd G. Waaben | 1982-03-09 |
| 4275437 | Semiconductor circuit for voltage conversion | Harry J. Boll | 1981-06-23 |
| 4188671 | Switched-capacitor memory | — | 1980-02-12 |