Referenced by|
| US3942621 | Apr 28, 1970 | Mar 9, 1976 | | Method of and article for masking | | US3981735 | Mar 20, 1974 | Sep 21, 1976 | NCR Corporation | Process for making a stable, relatively high concentration, solution of an organic color-reactive colorless dye in oil | | US3995088 | Jan 23, 1975 | Nov 30, 1976 | Ciba-Geigy Corporation | Coated pressure-sensitive recording material | | US4188139 | May 6, 1977 | Feb 12, 1980 | Ing. C. Olivetti & C., S.p.A. | Method and apparatus for correctably printing characters with sublimable ink | | US4229219 | Aug 24, 1979 | Oct 21, 1980 | International Business Machines Corporation | Inks for ink jet printing |
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