1
Stephen C Jacobsen, Robert L Stephen, R Todd Johnson, Richard Luntz, David Knutti: Epidermal iontophoresis device. University of Utah, Criddle Thorpe & Western, February 27, 1979: US04141359 (240 worldwide citation)

An improved iontophoresis device for topical administration of ionic drugs or chemicals through epidermal tissue for anesthetizing or sterilizing local tissue or for applying various medicaments without mechanical penetration. An ionic form of drug is conducted through the epidermal tissue by means ...


2
Stephen C Jacobsen, David F Knutti, R Todd Johnson: Electrically driven artificial arm. University of Utah, B Deon Criddle, June 11, 1985: US04521924 (82 worldwide citation)

A prosthesis for a person with an amputation above the elbow is provided in which elbow motion is provided by an electrical motor contained within the prothesis. Operation of the motor is controlled by electric impulses from selected opposing muscle pairs on the amputee. The prosthesis is constructe ...