Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355285 | Auto-zeroing operational amplifier circuit | Richard W. Ulmer, Roger A. Whatley | 1982-10-19 |
| 4320519 | (Sin X)/X correction circuit for a sampled data system | Henry Wurzburg | 1982-03-16 |
| 4311988 | Programmable A-law and .mu.-law DAC | Richard W. Ulmer | 1982-01-19 |