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2092427 | Ross | Sep 1937 | |
2201412 | Stein | May 1940 | |
2264586 | Ross | Dec 1941 | |
2487200 | Trager | Nov 1949 | |
2501972 | Seidler | Mar 1950 | |
2711173 | Seidler | Jun 1955 | |
2938519 | Marco | May 1960 | |
3011495 | Brecht | Dec 1961 | |
3051177 | Wilson | Aug 1962 | |
3079921 | Brecht et al. | Mar 1963 | |
3138159 | Schmidt | Jun 1964 | |
3369544 | Crockford | Feb 1968 | |
3469286 | Crockford | Sep 1969 | |
3596328 | Voss | Aug 1971 | |
3643661 | Crockford | Feb 1972 | |
3683915 | Voss | Aug 1972 | |
3706311 | Kokx et al. | Dec 1972 | |
3749094 | Duncan | Jul 1973 | |
3762413 | Hanke | Oct 1973 | |
3971378 | Krantz | Jul 1976 | |
4018225 | Elmi | Apr 1977 | |
4019498 | Hawtrey et al. | Apr 1977 | |
4212301 | Johnson | Jul 1980 | |
4266546 | Roland et al. | May 1981 | |
4318407 | Woon | Mar 1982 | |
4335721 | Matthews | Jun 1982 | |
4359357 | Friese | Nov 1982 | |
4486191 | Jacob | Dec 1984 | |
4668557 | Lakes | May 1987 | |
4920986 | Biswas | May 1990 | |
5036867 | Biswas | Aug 1991 | |
5041077 | Kulick | Aug 1991 | |
5045079 | West | Sep 1991 | |
5112348 | Glassman | May 1992 | |
5158535 | Paul et al. | Oct 1992 | |
5273521 | Peiler et al. | Dec 1993 | |
5336208 | Rosenbluth et al. | Aug 1994 | |
5386836 | Biswas | Feb 1995 | |
5483976 | McLaughlin et al. | Jan 1996 | |
5512032 | Kulisz et al. | Apr 1996 | |
5533990 | Yeo | Jul 1996 | |
5609586 | Zadini et al. | Mar 1997 | |
5611768 | Tutrone, Jr. | Mar 1997 | |
5659934 | Jessup et al. | Aug 1997 | |
5752525 | Simon et al. | May 1998 | |
5755906 | Achter et al. | May 1998 | |
5785640 | Kresch et al. | Jul 1998 | |
5795346 | Achter et al. | Aug 1998 | |
5807372 | Balzar | Sep 1998 | |
5813973 | Gloth | Sep 1998 | |
5873971 | Balzar | Feb 1999 |
Number | Date | Country |
---|---|---|
0 264 258 B1 | Apr 1992 | EPX |
0 363 421 B2 | Sep 1992 | EPX |
2 698 781 A1 | Jun 1994 | FRX |
19602878 C1 | Sep 1997 | DEX |
WO 9505790 A1 | Mar 1995 | WOX |
Entry |
---|
Patent Cooperation Treaty Search Report from the International Search Authority, International Application No. PCT/US 99/30721 dated May 18, 2000. |