Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6088560 | Liquid ink replenishment system for liquid electrographic imaging devices | James E. Zenk, Mark A. Sanner, H. Chris Gydesen, Russell A. Roiko, James A. Baker +3 more | 2000-07-11 | $10,952,000 |
| 6047151 | Drying system and method for an electrophotographic imaging system | Marcio da Silveira Carvalho, William Blake Kolb | 2000-04-04 | $4,946,000 |
| 6041805 | Valve assembly for a removable ink cartridge | H. Chris Gydesen, Russell A. Roiko, James E. Zenk | 2000-03-28 | $9,297,000 |
| 5970273 | Ink cartridge for liquid electrographic imaging devices | James E. Zenk, Mark A. Sanner, H. Chris Gydesen, Russell A. Roiko | 1999-10-19 | $3,223,000 |
| 5737674 | Vapor control system for and a liquid electrographic system | Jai Venkatesan, James A. Baker, Therese M. Downey, Russell A. Roiko | 1998-04-07 | $15,867,000 |
| 5552869 | Drying method and apparatus for electrophotography using liquid toners | Russell A. Roiko, Kent E. Emerson, Edward J. Woo, Claire A. Jalbert | 1996-09-03 | $6,685,000 |