Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8929099 | Bi-directional DC/DC converter and battery testing apparatus with converter | Jonathan W. Kimball | 2015-01-06 |
| 6203516 | Phacoemulsification device and method for using dual loop frequency and power control | — | 2001-03-20 |
| 6045527 | Detection of ophthalmic surgical handpiece using shorting bar | Peter Francis Appelbaum | 2000-04-04 |
| 5991142 | Detection of ophthalmic surgical handpiece by injecting current signal | Peter Francis Appelbaum | 1999-11-23 |
| 5406503 | Control system for calibrating and driving ultrasonic transducer | Daniel L. Williams, John A. Painter | 1995-04-11 |
| 5388569 | Phacoemulsification probe circuit with switch drive | — | 1995-02-14 |
| 5370602 | Phacoemulsification probe circuit with pulse width Modulating drive | — | 1994-12-06 |
| 5331951 | Phacoemulsification probe drive circuit | — | 1994-07-26 |
| 5038756 | Needle interface boot for ultrasonic surgical instrument | — | 1991-08-13 |