Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288582 | Photoelectrographic method for printing | William Mey | 1994-02-22 |
| 5240800 | Near-infrared radiation sensitive photoelectrographic master and imaging method | Dennis R. Kamp, William Mey | 1993-08-31 |
| 4996124 | Photoconductor element, regenerating methods and elements useful therein | Albert V. Buettner, Rodney R. Bucks | 1991-02-26 |
| 4980701 | Non-impact printhead using a mask with a dye sensitive to and adjusted by light in a first spectrum to balance the transmission of light in a second spectrum emitted by an LED array | Yee S. Ng, Eric K. Zeise | 1990-12-25 |
| 4686163 | Electrophotographic color imaging method | Yee S. Ng, John D. Mitchell, James Walling | 1987-08-11 |
| 4657831 | Color proofing method and article | Joseph H. Ambro | 1987-04-14 |
| 4600669 | Electrophotographic color proofing element and method for using the same | Yee S. Ng, John D. Mitchell, James Walling | 1986-07-15 |
| 4468444 | Pyrylium-sensitized leuco base photoconductive compositions and elements containing naphthalene bis-dicarboximide compounds | — | 1984-08-28 |
| 4424268 | Pyrylium- and thiopyrylium-sensitized low-persistence photoconductive compositions and elements | Martin A. Berwick, George A. Reynolds | 1984-01-03 |
| 4350751 | High resolution heterogeneous photoconductive compositions and method of preparing | — | 1982-09-21 |
| 4301226 | Crystallization inhibiting mixtures of arylmethane photoconductors | Norman G. Rule | 1981-11-17 |