Referenced by|
| US3968357 | Oct 29, 1975 | Jul 6, 1976 | Lawrence Peska Associates, Inc. | Illuminated earring which is switched on by securement to the ear | | US4493328 | Jul 2, 1982 | Jan 15, 1985 | | Apparatus for treating spasmodic torticollis | | US4517423 | Jun 4, 1982 | May 14, 1985 | | Human body activated switch | | US4642610 | Jun 26, 1984 | Feb 10, 1987 | | Communications apparatus for handicapped individuals | | US4967186 | Aug 18, 1989 | Oct 30, 1990 | | Method and apparatus for fatigue detection | | US5469143 | Jan 10, 1995 | Nov 21, 1995 | | Sleep awakening device for drivers of motor vehicles | | US5714925 | Apr 10, 1996 | Feb 3, 1998 | | Motor vehicle operator alerting apparatus | | US5982287 | Dec 31, 1997 | Nov 9, 1999 | Michael Brannen | Sleep prevention apparatus and method | | US7301465 | Mar 24, 2005 | Nov 27, 2007 | | Drowsy driving alarm system | | USD333442 | May 31, 1991 | Feb 23, 1993 | | Alarm for drowsy drivers |
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