Number | Name | Date | Kind |
---|---|---|---|
3712728 | Whittaker | Jan 1973 | |
3784398 | Metcalfe et al. | Jan 1974 |
Entry |
---|
"Limiting Factors of High Resolution and Gray Scale Ionographic Printing" Igor Kubelik, Hard Copy and Printing Technologies, Feb. 13-14, 1990 Conference in Santa Clara, Calif., vol. 1252. |