Number | Date | Country | Kind |
---|---|---|---|
80 01425 | Jan 1980 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4004080 | Vossen et al. | Jan 1977 | |
4264986 | Willis | Apr 1981 | |
4285056 | Bell | Aug 1981 | |
4300227 | Bell | Nov 1981 |
Number | Date | Country |
---|---|---|
2701218 | May 1978 | DEX |
2111204 | Jun 1972 | FRX |
2126387 | Oct 1972 | FRX |
2145606 | Feb 1973 | FRX |
2214934 | Aug 1974 | FRX |
2404888 | Apr 1979 | FRX |
2026901 | Feb 1980 | GBX |
Entry |
---|
Anderson, "Materials for Thermoplastic Recording by Heat Alone", IBM Tech. Disc. Bul., vol. 6, No. 12, 5/64, p. 3. |
Katou, Abstract of Japan Patent 54-96002, 10/6/79. |