#5,170,381 Method for Mixing Audio Subliminal Recordings, Eldon Taylor, James R. Woodhams, Filed 11/22/89
#5,175,571 Glasses with Subliminal Message, Faye Tanefsky, Michael R. McCaughey, Filed 1/11/91
#5,194,008 Subliminal Image Modulation Projection and Detection System and Method, William L. Mohan, Samuel P. Willits, Steven V. Pawlowski, Filed 3/26/92
#5,215,468 Method and Apparatus for Introducing Subliminal Changes to Audio Stimuli, Martha A. Lauffer, Donald K. Lauffer, Filed 3/11/91
#5,211,962 Subliminal Device Having Manual Adjustment of Perception Level of Subliminal Messages, Alan L. Backus, Ronald Popeil, Casey Walsh, Jerry Lawson, Filed 8/14/90
#5,224,864 Method of Recording and Reproducing Subliminal Signals That are 180 Degrees out of Phase, Steven Vavagiakis, 3/25/91
#5,245,666 Personal Subliminal Messaging System, Bruce T. Mikell, Filed 6/6/91
#5,270,800 Subliminal Message Generator, Robert L. Sweet, Filed 8/28/90
#5,644,363 Apparatus for Superimposing Visual Subliminal Instructional Materials on Video Signal, Talbert Mead, 3/24/95
#5,539,705 Ultrasonic Speech Translator and Communications Systems, M. Alfred Akerman, Curtis W. Ayers, Howard D. Haynes, Filed 10/27/94
#6,052,336 Apparatus and Method of Broadcasting Audible Sound Using Ultrasonic Sound as a Carrier, Austin Lowrey, 5/1/98
#6,122,322 Subliminal Message Protection, Magnus Jandel, Filed 5/13/99
#5,175,571 Glasses with Subliminal Message, Faye Tanefsky, Michael R. McCaughey, Filed 1/11/91
#5,194,008 Subliminal Image Modulation Projection and Detection System and Method, William L. Mohan, Samuel P. Willits, Steven V. Pawlowski, Filed 3/26/92
#5,215,468 Method and Apparatus for Introducing Subliminal Changes to Audio Stimuli, Martha A. Lauffer, Donald K. Lauffer, Filed 3/11/91
#5,211,962 Subliminal Device Having Manual Adjustment of Perception Level of Subliminal Messages, Alan L. Backus, Ronald Popeil, Casey Walsh, Jerry Lawson, Filed 8/14/90
#5,224,864 Method of Recording and Reproducing Subliminal Signals That are 180 Degrees out of Phase, Steven Vavagiakis, 3/25/91
#5,245,666 Personal Subliminal Messaging System, Bruce T. Mikell, Filed 6/6/91
#5,270,800 Subliminal Message Generator, Robert L. Sweet, Filed 8/28/90
#5,644,363 Apparatus for Superimposing Visual Subliminal Instructional Materials on Video Signal, Talbert Mead, 3/24/95
#5,539,705 Ultrasonic Speech Translator and Communications Systems, M. Alfred Akerman, Curtis W. Ayers, Howard D. Haynes, Filed 10/27/94
#6,052,336 Apparatus and Method of Broadcasting Audible Sound Using Ultrasonic Sound as a Carrier, Austin Lowrey, 5/1/98
#6,122,322 Subliminal Message Protection, Magnus Jandel, Filed 5/13/99