Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897688 | Document imaging system with bi-directional anamorphic magnification capability | Abbott Smith, David A. Bartman, Gilbert Aser, deceased | 1990-01-30 |
| 4783687 | Segmented filament light source with improved illumination output uniformity | — | 1988-11-08 |
| 4763173 | Imaging system for compensating for image distortion due to wrinkled or curled documents | Michael E. Harrigan, Robert P. Rebres | 1988-08-09 |
| 4752806 | Multi-mode imaging system | Werner E. L. Haas | 1988-06-21 |
| 4692015 | Short focal lens array with multi-magnification properties | Robert P. Loce, John A. Durbin | 1987-09-08 |
| 4589736 | Two row reduction/enlargement gradient index lens array having square-ended fibers | Michael E. Harrigan, Melvin E. Deibler | 1986-05-20 |
| 4571022 | Two row reduction/enlargement gradient index lens array | William L. Lama | 1986-02-18 |
| 4568179 | Full-frame illumination system for a document reproduction device | John A. Durbin | 1986-02-04 |
| 4557581 | Full-frame short focal length imaging system | Warren H. Woolley, William L. Lama, John A. Durbin | 1985-12-10 |
| 4533979 | Full-frame flash illumination system | Robert W. Gundlach, Jerome E. May | 1985-08-06 |
| 4466734 | Compact full frame illumination and imaging system for a photocopier | — | 1984-08-21 |
| 4459010 | Linear lens array scanning system for a multi-magnification copier | John H. Hinton, Daniel W. Costanza | 1984-07-10 |
| 4435039 | Method and apparatus for improving image quality of a reduction/enlargement gradient index lens array | William L. Lama | 1984-03-06 |
| RE31499 | Illumination system utilizing two opposing DC lamps with an optimum barrel-shaped slit | Charles F. Gallo, Jr., Thomas J. Hammond | 1984-01-17 |
| 4415258 | Linear lens array imaging system for forming reduced or enlarged images at an image plane | John A. Durbin | 1983-11-15 |
| 4394083 | Imaging system for a multi-magnification copier utilizing gradient index lens array | — | 1983-07-19 |
| 4349248 | Gradient index lens array with improved exposure uniformity | — | 1982-09-14 |
| 4331388 | Gas zoom lens | George L. McCrobie, Roscoe J. Donnel | 1982-05-25 |
| 4331380 | Gradient index lens array having reduction properties | David B. Kay, William L. Lama | 1982-05-25 |
| 4329045 | Illumination system for microfilm printer | George R. Simpson, David C. Bliek | 1982-05-11 |
| 4298274 | Variable density filter for a multi-magnification copying device | Kenneth W. Altfather, William L. Lama, Donna U. Ozern | 1981-11-03 |
| 4250538 | Full frame flash illumination system utilizing a diffuse integrating optical cavity | John A. Durbin | 1981-02-10 |
| 4244649 | Optical system for providing visual aid for proper magnification selection | David N. Redden, Craig A. Smith, Paul H. Stiebitz | 1981-01-13 |
| 4229512 | Toners for color flash fusers containing a permanent colorant and a heat sensitive dye | Myron J. Lenhard | 1980-10-21 |