Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6157804 | Acoustic transfer assist driver system | David W. Richmond, Robert Mead | 2000-12-05 |
| 5500721 | Power supply topology enabling bipolar voltage output from a single voltage input | John M. Randall | 1996-03-19 |
| 5361123 | Microcontroller based xerographic charge device power supply | Thomas I. Yeh, Timothy A. Cole, Leo R. Farnand | 1994-11-01 |
| 5204730 | Transfer, detac polarity switching | David W. Richmond, Robert Mead | 1993-04-20 |
| 4286316 | High voltage sine wave power supply | — | 1981-08-25 |