Änderungen

==Patente==

==Patente==

*US Patent 3884218: Method of inducing and maintaining various stages of sleep in the human being

*US 3884218: Method of inducing and maintaining various stages of sleep in the human being. Patent erteilt: 20. Mai 1975

*US Patent 5213562: Method of inducing mental, emotional and physical states of consciousness, including specific mental activity, in human beings

*US 5213562: Method of inducing mental, emotional and physical states of consciousness, including specific mental activity, in human beings. Patent erteilt: 25. Mai 1993

*US Patent 5356368: Method of and apparatus for inducing desired states of consciousness

*US 5356368: Method of and apparatus for inducing desired states of consciousness. Patent erteilt: 18. Oktober 1994

==Weblinks==

==Weblinks==