Number | Name | Date | Kind |
---|---|---|---|
D278247 | Miyamoto et al. | Apr 1985 | |
D278818 | Aoyama | May 1985 | |
D286045 | McGarvey et al. | Oct 1986 | |
D290360 | Anzelone et al. | Jun 1987 | |
D290845 | Yubisui et al. | Jul 1987 | |
D298945 | Kagayama et al. | Dec 1988 | |
4893954 | Kotur | Jan 1990 |
Entry |
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IBM Technical Disclosure Bulletin, vol. 29, No. 9, p., 3808, Feb. 1987, PC Keyboard Protective Shield. |
Western Electric Technical Digest, No. 64, p. 45, Data Terminal Keyboard and Dust Cover. |