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| 2191704 | Bennett | Feb 1940 | |
| 2282672 | Nelson | May 1942 | |
| 2512310 | Corson | Jun 1950 | |
| 2800215 | Converse | Jul 1957 | |
| 2843868 | Borgstrom | Jul 1958 | |
| 2919456 | Spivey | Jan 1960 | |
| 3078490 | Etcher | Feb 1963 | |
| 3083393 | Nappi | Apr 1963 | |
| 3141522 | Fitzpatrick | Jul 1964 | |
| 3300275 | Lorman | Jan 1967 | |
| 3400421 | Nappi et al. | Sep 1968 | |
| 3435481 | Kessler | Apr 1969 | |
| 3501797 | Nappi | Mar 1970 | |
| 3517407 | Wyant | Jun 1970 | |
| 3578738 | Hughes | May 1971 | |
| 3663980 | Conklin | May 1972 | |
| 3665543 | Nappi | May 1972 | |
| 3696459 | Kucera et al. | Oct 1972 | |
| 3699926 | Stockl | Oct 1972 | |
| 3717897 | Amos et al. | Feb 1973 | |
| 3785102 | Smos | Jan 1974 | |
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| 3906578 | Huber | Sep 1975 | |
| 4107811 | Imsande | Aug 1978 | |
| 4126854 | Sheridon | Nov 1978 | |
| 4143103 | Sheridon | Mar 1979 | |
| 4143194 | Wihksne | Mar 1979 | |
| 4328275 | Vargo | May 1982 | |
| 4353944 | Tarui | Oct 1982 | |
| 4421809 | Bish et al. | Dec 1983 | |
| 4435451 | Neubert | Mar 1984 | |
| 4439474 | Sagel | Mar 1984 | |
| 4482593 | Sagel et al. | Nov 1984 | |
| 4484250 | Rzepecki et al. | Nov 1984 | |
| 4559250 | Paige | Dec 1985 | |
| 4564546 | Jones | Jan 1986 | |
| 4609580 | Rockett et al. | Sep 1986 | |
| 4614679 | Farrington, Jr. et al. | Sep 1986 | |
| 4707895 | Lang | Nov 1987 | |
| 4720789 | Hector et al. | Jan 1988 | |
| 4798754 | Tomek | Jan 1989 | |
| 4822669 | Roga | Apr 1989 | |
| 4917975 | De Guzman | Apr 1990 | |
| 5018235 | Stamatiou | May 1991 | |
| 5071628 | Alazet | Dec 1991 | |
| 5142733 | Mogel | Sep 1992 | |
| 5204159 | Tan | Apr 1993 | |
| 5293660 | Park | Mar 1994 | |
| 5335788 | Beasley et al. | Aug 1994 | |
| 5461748 | Koiduka | Oct 1995 | |
| 5500267 | Canning | Mar 1996 | |
| 5556685 | Swicegood, Jr. | Sep 1996 | |
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| 5571626 | Cumming et al. | Nov 1996 | |
| 5604027 | Sheridon | Feb 1997 | |
| 5658637 | Volz | Aug 1997 | |
| 5723204 | Stefik | Mar 1998 | |
| 5815995 | Adam | Oct 1998 | |
| 5826874 | Teitell et al. | Oct 1998 | |
| 5839976 | Darr | Nov 1998 | |
| 5869350 | Heeger et al. | Feb 1999 | |
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| Number | Date | Country |
|---|---|---|
| 0 009 891 A1 | Apr 1980 | EP |
| 0 188 005 B2 | Jul 1986 | EP |
| 0 199 537 B1 | Oct 1986 | EP |
| 0 202 846 B1 | Nov 1986 | EP |
| 0353139 | Jan 1990 | EP |
| 0 354 281 A1 | Feb 1990 | EP |
| 0 359 478 A2 | Mar 1990 | EP |
| 0 374 860 A3 | Jun 1990 | EP |
| 0514191A1 | Nov 1992 | EP |
| 0 512 904 A2 | Nov 1992 | EP |
| 0554641A1 | Aug 1993 | EP |
| 0 573 277 B1 | Dec 1993 | EP |
| 0624681A2 | Nov 1994 | EP |
| 0 624 125 B1 | Nov 1994 | EP |
| 0648834A1 | Apr 1995 | EP |
| 0751213A1 | Jan 1997 | EP |
| 0794244A1 | Sep 1997 | EP |
| 0839900A1 | May 1998 | EP |
| 0895745A1 | Feb 1999 | EP |
| 0 971 064 A2 | Jan 2000 | EP |
| 6-90891 | Apr 1994 | JP |
| 10057728A | Mar 1998 | JP |
| 9108701 | Jun 1991 | WO |
| WO 0007811 | Feb 2000 | WO |
| WO 0016682 | Mar 2000 | WO |
| WO 0019871 | Apr 2000 | WO |
| WO 0029209 | May 2000 | WO |
| Entry |
|---|
| Advertising Materials for Alma, (Advanced Laminated Material Applications, Inc.), CleanStep Contamination Control Mat, 12 pages, 1999. |
| “Displaying a Winning Glow”, Michael Kenward, Technology Review, Jan./Feb. 1999, vol. 102, No. 1, 7 pages. |
| “Screen Saviors”, Michael Mattis, Business 2.0, Jul. 1999, 1 page. |
| “What's New”, “Intelligent Ink”, Advertising Material, Popular, 1 page, no date. |
| “Electronic Ink”, Glen Sanders, ebooknet.com, 2 pages, Sep. 20, 1999. |
| Protective Products Advertisement. |
| Sole-Parmer Advertisement. |
| 3m Clean-Walk Mat, 5800 Series, Technical Data, Jul. 1995. |