Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980262 | Producing a replicate video disc by a method of photographic contact printing | Dennis G. Howe | 1990-12-25 |
| 4783393 | Dye mixtures and optical recording elements containing same | John C. Brazas, Jr., Neil F. Haley, Michael W. Fichtner | 1988-11-08 |
| 4584258 | Recording and information record elements comprising telluropyrlium dyes | Michael R. Detty | 1986-04-22 |
| 4446223 | Recording and information record elements comprising oxoindolizine and oxoindolizinium dyes | Donald H. Wadsworth, George L. Fletcher, Jr., Charles H. Weidner | 1984-05-01 |
| 4415621 | Use of .alpha.,.alpha.-bis(dialkylaminobenzylidene) ketone dyes in optical recording elements | Donald P. Specht | 1983-11-15 |
| 4380769 | Element for recording by thermal deformation | Joseph J. Wrobel | 1983-04-19 |
| 4340655 | Thermal and mechanical barrier layers for optical recording elements | Kenneth R. Hollister | 1982-07-20 |
| 4270130 | Thermal deformation record device with bleachable dye | Conrad G. Houle, Dennis G. Howe, Joseph J. Wrobel, Bruce G. Fike, deceased | 1981-05-26 |
| 4222070 | Recording video information on a flexible master disc | Dennis G. Howe, James K. Lee | 1980-09-09 |
| 4201581 | Method of providing close contact for contact printing | Dennis G. Howe, James K. Lee | 1980-05-06 |