Number | Name | Date | Kind |
---|---|---|---|
4650934 | Burke | Mar 1987 | |
4806917 | Hosogoe | Feb 1989 | |
4973176 | Dietrich | Nov 1990 | |
5115227 | Keiji | May 1992 |
Number | Date | Country |
---|---|---|
0139437 | Aug 1984 | JPX |
0181818 | Sep 1985 | JPX |
2161755 | Jan 1986 | GBX |
Entry |
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"Mice vs. Trackballs" by Lorraine Rice PC Magazine Aug. 1990, p. 216. |
Input Device "Oddball Technologies" PC Magazine, Aug. 1991, p. 215. |
IBM Technical Disclosure Bulletin, vol. 28, No. 5 Oct. 1985 "Smart Key". |