Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043579 | Uniform charging device | Robert W. Gundlach | 1991-08-27 |
| 5028779 | Corona charging device | Robert W. Gundlach | 1991-07-02 |
| 4963738 | Flat comb-like scorotron charging device | Robert W. Gundlach | 1990-10-16 |
| 4841146 | Self-cleaning scorotron with focused ion beam | Robert W. Gundlach | 1989-06-20 |
| 4777904 | Touchdown development apparatus | Robert W. Gundlach, Frank T. Lippolis, William H. Wayman | 1988-10-18 |
| 4762997 | Fluid jet assisted ion projection charging method | — | 1988-08-09 |
| 4763141 | Printing apparatus with improved ion focus | Robert W. Gundlach | 1988-08-09 |
| 4724509 | Efficiently mounted long coronodes | Michael J. Levy | 1988-02-09 |
| 4591713 | Efficient, self-limiting corona device for positive or negative charging | Robert W. Gundlach | 1986-05-27 |
| 4558221 | Self limiting mini-corotron | Robert W. Gundlach | 1985-12-10 |
| 4463363 | Fluid assisted ion projection printing | Robert W. Gundlach | 1984-07-31 |
| 4302094 | Development method and apparatus | Robert W. Gundlach | 1981-11-24 |
| 4282303 | Development method and apparatus | — | 1981-08-04 |
| 4233388 | Method for making toner particles | Charles L. Beatty | 1980-11-11 |
| 4197331 | Novel electrostatic imaging system | Robert W. Gundlach | 1980-04-08 |