Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520437 | Power conversion circuit for synthesizing a sinewave with programmed amplitude control | Charles W. Boettcher, Jr., Billy H. Hamilton, Walter L. Zweig | 1985-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520437 | Power conversion circuit for synthesizing a sinewave with programmed amplitude control | Charles W. Boettcher, Jr., Billy H. Hamilton, Walter L. Zweig | 1985-05-28 |