Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871420 | Resonant converter tuning for maintaining substantial constant phaco handpiece power under increased load | David L. Anderson, Nate G. Elsen, Pravin V. Mehta | 2011-01-18 |
| 6997935 | Resonant converter tuning for maintaining substantially constant phaco handpiece power under increased load | David L. Anderson, Nate G. Elsen, Pravin V. Mehta | 2006-02-14 |
| 5621454 | Method and system for recognition of broadcast segments | Michael D. Ellis, Stephen M. Dunn, Fancy B. Younglove, David M. James, David L. Clifton +1 more | 1997-04-15 |
| 5612729 | Method and system for producing a signature characterizing an audio broadcast signal | Michael D. Ellis, Stephen M. Dunn, Fancy B. Younglove, David M. James, David L. Clifton +1 more | 1997-03-18 |
| 5572246 | Method and apparatus for producing a signature characterizing an interval of a video signal while compensating for picture edge shift | Michael D. Ellis, Stephen M. Dunn, Fancy B. Younglove, David M. James, David L. Clifton +1 more | 1996-11-05 |
| 5504518 | Method and system for recognition of broadcast segments | Michael D. Ellis, Stephen M. Dunn, Fancy B. Younglove, David M. James, David L. Clifton +1 more | 1996-04-02 |
| 5436653 | Method and system for recognition of broadcast segments | Michael D. Ellis, Stephen M. Dunn, Fancy B. Younglove, David M. James, David L. Clifton +1 more | 1995-07-25 |
| 5109848 | Electrotherapeutic apparatus | Gary E. Thomas | 1992-05-05 |
| 4908017 | Failsafe apparatus and method for effecting syringe drive | David C. Howson, John A. Popken, Richard M. Altobellis, Bennett Scharf, Walter E. Oshetski | 1990-03-13 |
| 4905207 | Measuring distances using a plurality of frequencies | Richard J. Shelquist | 1990-02-27 |
| 4846797 | Syringe positioning device for enhancing fluid flow control | David C. Howson, John A. Popken, Richard M. Altobellis | 1989-07-11 |
| 4739398 | Method, apparatus and system for recognizing broadcast segments | William L. Thomas, Steven J. Sletten, John Mathews, Jeffrey C. Swinehart, John Erik Hershey +2 more | 1988-04-19 |
| 4677604 | Method for controlling access to recorded data | Howard W. Selby, III | 1987-06-30 |
| 4617637 | Servo control system for a reciprocating piston respirator | Raymond D. Chu, Anthony C. Rubner | 1986-10-14 |
| 4424497 | System for phase locking clock signals to a frequency encoded data stream | — | 1984-01-03 |
| 4357657 | Floppy-disk interface controller | — | 1982-11-02 |