Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077171 | Carbohydrate products of photosynthesis as charging adjuvant for positive liquid electrostatic developers | Arnold R. Lee | 1991-12-31 |
| 5066821 | Process for preparing positive electrostatic liquid developers with acidified charge directors | William A. Houle, Kathryn A. Pearlstine | 1991-11-19 |
| 5034299 | Mineral acids as charge adjuvants for positive liquid electrostatic developers | William A. Houle, Kathryn A. Pearlstine, Torence J. Trout | 1991-07-23 |
| 5028508 | Metal salts of beta-diketones as charging adjuvants for electrostatic liquid developers | Gregg A. Lane, Ronald Mueller | 1991-07-02 |
| 5017451 | Continuous process for preparing resin particles in a liquid | Kenneth Wayne Leffew | 1991-05-21 |
| 4984321 | Weatherproof and fireproof loading bridge canopy | — | 1991-01-15 |
| 4950576 | Chromium, molybdenum and tungsten compounds as charging adjuvants for electrostatic liquid developers | — | 1990-08-21 |
| 4937158 | Nickel (II) salts as charging adjuvants for electrostatic liquid developers | — | 1990-06-26 |
| 4935328 | Monofunctional amines as adjuvant for liquid electrostatic developers | Lyla M. El-Sayed, Torence J. Trout | 1990-06-19 |
| 4923778 | Use of high percent solids for improved liquid toner preparation | David E. Blair, Bradley J. Gollhardt | 1990-05-08 |
| 4783388 | Quaternaryammonium hydroxide as adjuvant for liquid electrostatic developers | Lyla M. El-Sayed | 1988-11-08 |
| 4783389 | Process for preparation of liquid electrostatic developers | Torence J. Trout | 1988-11-08 |
| 4780388 | Polyamines as adjuvant for liquid electrostatic developers | — | 1988-10-25 |
| 4772528 | Liquid electrostatic developers composed of blended resins | Torence J. Trout | 1988-09-20 |
| 4760009 | Process for preparation of liquid toner for electrostatic imaging | — | 1988-07-26 |
| 4736522 | Process for loading test pins | — | 1988-04-12 |
| 4709207 | Loading system | — | 1987-11-24 |
| 4702985 | Aminoalcohols as adjuvant for liquid electrostatic developers | — | 1987-10-27 |
| 4681831 | Chargeable resins for liquid electrostatic developers comprising partial ester of 3-hydroxypropanesulfonic acid | Torence J. Trout | 1987-07-21 |