Number | Name | Date | Kind |
---|---|---|---|
2684278 | Marchand | Jul 1954 | |
3426150 | Tygart | Feb 1969 | |
3478344 | Schwitzgebel et al. | Nov 1969 | |
3517662 | Finch et al. | Jun 1970 | |
3572316 | Vogelman et al. | Mar 1923 | |
3613670 | Edenhofer | Oct 1971 | |
3646930 | Patterson et al. | Mar 1972 | |
3724455 | Unger | Apr 1973 | |
3774594 | Huszar | Nov 1973 | |
3792700 | Sarnoff et al. | Feb 1974 | |
3806936 | Koster | Apr 1974 | |
3838684 | Manuel et al. | Oct 1974 | |
3858574 | Page | Jan 1975 | |
3866204 | Barkley | Feb 1975 | |
3902478 | Konopasek et al. | Sep 1975 | |
3908636 | Page | Sep 1975 | |
3910260 | Sarnoff et al. | Oct 1975 | |
3972320 | Kalman | Aug 1976 | |
3989900 | Dibner | Nov 1976 | |
4009708 | Fay, Jr. | Mar 1977 | |
4018219 | Hojaiban | Apr 1977 | |
4030483 | Stevens | Jun 1921 | |
4063410 | Welling | Dec 1977 | |
4064368 | Dibner | Dec 1977 | |
4086916 | Freeman et al. | May 1978 | |
4100536 | Ball et al. | Jul 1978 | |
4120294 | Wolfe | Oct 1978 | |
4129125 | Lester et al. | Dec 1978 | |
4178916 | McNamara | Dec 1979 | |
4195642 | Price et al. | Apr 1980 | |
4202350 | Walton | May 1980 | |
4224948 | Cramer et al. | Sep 1980 | |
4230127 | Larson | Oct 1980 | |
4256117 | Perica et al. | Mar 1981 | |
4258719 | Lewyn | Mar 1981 | |
4260951 | Lewyn | Apr 1981 | |
4280506 | Zurcher | Jul 1981 | |
4301808 | Taus | Nov 1981 | |
4305401 | Reissmueller et al. | Dec 1981 | |
4312358 | Barney | Jan 1982 | |
4394777 | Wren | Jul 1983 | |
4406290 | Walbeoffe-Wilson et al. | Sep 1983 | |
4407295 | Steuer et al. | Oct 1983 | |
4459992 | Gwyn | Jul 1984 | |
4489731 | Baumberg | Dec 1984 | |
4491970 | LaWhite et al. | Jan 1985 | |
4531527 | Reinhold, Jr. et al. | Jul 1985 | |
4583524 | Hutchins | Apr 1986 | |
4807639 | Shimizu et al. | Feb 1989 | |
4819860 | Hargrove et al. | Apr 1989 | |
4827943 | Bornn et al. | May 1989 | |
4829285 | Brand et al. | May 1989 |
Number | Date | Country |
---|---|---|
2517453 | Apr 1975 | DEX |
2922542 | Apr 1980 | DEX |
2386875 | Apr 1977 | FRX |
2420333 | Mar 1978 | FRX |
810730 | Mar 1959 | GBX |
Entry |
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Article appearing in Business Week p. 77 on Apr. 30, 1990 Entitled "This Band on the Hand Could Be a Lifesaver" Edited by Robert Buderi. |