Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494565 | Methods and apparatuses for operating a variable impedance acoustic ink printhead | Richard N. Ellson, Robert P. Kowalski, Thanh D. Truong | 2002-12-17 |
| 6447086 | Method and apparatus for achieving controlled RF switching ratios to maintain thermal uniformity in the acoustic focal spot of an acoustic ink printhead | Lamar T. Baker, Steven A. Buhler, Scott A. Elrod, William F. Gunning, Abdul M. El Hatem +2 more | 2002-09-10 |
| 6428159 | Apparatus for achieving high quality aqueous ink-jet printing on plain paper at high print speeds | Joy Roy, Richard N. Ellson, Robert A. Sprague, James B. Kruger, John M. Lennon | 2002-08-06 |
| 6428160 | Method for achieving high quality aqueous ink-jet printing on plain paper at high print speeds | Joy Roy, Richard N. Ellson, Robert A. Sprague, James B. Kruger, John M. Lennon | 2002-08-06 |
| 6416678 | Solid bi-layer structures for use with high viscosity inks in acoustic ink printing and methods of fabrication | Scott A. Elrod, David Steinmetz, Kaiser H. Wong | 2002-07-09 |
| 6364454 | Acoustic ink printing method and system for improving uniformity by manipulating nonlinear characteristics in the system | — | 2002-04-02 |