Number | Date | Country | Kind |
---|---|---|---|
9416349 | Aug 1994 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
4271352 | Thomas | Jun 1981 | |
4918425 | Greenberg et al. | Apr 1990 | |
5025141 | Bolan | Jun 1991 | |
5030807 | Landt et al. | Jul 1991 | |
5091771 | Bolan et al. | Feb 1992 | |
5113344 | Kellogg et al. | May 1992 | |
5151684 | Johnsen | Sep 1992 | |
5153583 | Murdoch | Oct 1992 | |
5469363 | Saliga | Nov 1995 | |
5517194 | Carroll et al. | May 1996 | |
5521602 | Carroll et al. | May 1996 | |
5528232 | Verma et al. | Jun 1996 |
Number | Date | Country |
---|---|---|
0323859 | Jul 1989 | EPX |
0597457 | May 1994 | EPX |
9319993 | Oct 1993 | WOX |
Entry |
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"Miniture, Coin-Shaped Chip is Read or Written with a Touch"; Dallas Semiconductor; News Release Jul. 1991. |