| Number | Name | Date | Kind |
|---|---|---|---|
| 4511793 | Racanelli | Apr 1985 | |
| 4641347 | Clark et al. | Feb 1987 | |
| 4649266 | Eckert | Mar 1987 | |
| 4725718 | Sansone et al. | Feb 1988 | |
| 4743747 | Fougere et al. | May 1988 | |
| 4757537 | Edelmann et al. | Jul 1988 | |
| 4763271 | Field | Aug 1988 | |
| 4775246 | Edelmann et al. | Oct 1988 | |
| 4800506 | Axelrod et al. | Jan 1989 | |
| 4802218 | Wright et al. | Jan 1989 | |
| 4812994 | Taylor et al. | Mar 1989 | |
| 4831554 | Storace et al. | May 1989 | |
| 4831555 | Sansone et al. | May 1989 | |
| 4864618 | Wright et al. | Sep 1989 | |
| 4868757 | Gil | Sep 1989 | |
| 4900903 | Wright et al. | Feb 1990 | |
| 4900904 | Wright et al. | Feb 1990 | |
| 4901241 | Schneck | Feb 1990 | |
| 5025141 | Bolan | Jun 1991 | |
| 5065000 | Pusic | Nov 1991 | |
| 5091771 | Bolan et al. | Feb 1992 | |
| 5111030 | Brasington et al. | May 1992 | |
| 5119306 | Metelits et al. | Jun 1992 | |
| 5200903 | Gilham et al. | Apr 1993 | |
| 5239168 | Durst, Jr. et al. | Aug 1993 | |
| 5384886 | Rourke | Jan 1995 | |
| 5471925 | Heinrich et al. | Dec 1995 | |
| 5490077 | Freytag | Feb 1996 | |
| 5524995 | Brookner et al. | Jun 1996 | |
| 5602742 | Solondz et al. | Feb 1997 | |
| 5617519 | Herbert | Apr 1997 |
| Number | Date | Country |
|---|---|---|
| 0137737 | Apr 1985 | EPX |
| 2580844 | Oct 1986 | FRX |
| 225121 | Jul 1992 | GBX |
| WO8801818 | Mar 1988 | WOX |
| Entry |
|---|
| "Miniature, Coin-Shaped Chip is Read or Written With a Touch" New Release, Dallas Semiconductor, Jul. 1991. |