1
Hans Leysieffer, Rolf Lehner: Device for positioning and fixing of therapeutic, surgical, or diagnostic instruments. IMPLEX Spezialhorgerate, David S Safran, Sixbey Friedman Leedom & Ferguson, July 7, 1998: US05776144 (150 worldwide citation)

Temporarily fixable positioning system (1) for secure, play-free fastening to the human body, preferably to the human skull has a base (4), a clampable ball-and-socket joint (3), a linear axis mechanism (2) fixed securely to it and a carriage (6) guided along the linear axis mechanism for receiving ...


2
Gerd Muller, Hans Leysieffer: Implantable microphone and implantable hearing aids utilizing same. Implex Spezialhorgerate, David S Safran, Sixbey Friedman Leedom & Ferguson, September 29, 1998: US05814095 (145 worldwide citation)

Implantable microphone for implantable hearing aids, which is used for excitation of hearing, such as cochlear implants or hearing aids with mechanical stimulation of the middle or inner ear, with a microphone capsule which is accommodated in a hermetically sealed housing, and with an electrical lea ...


3
Hans Leysieffer, G√ľnter Rinser: Partially or fully implantable hearing system. Cochlear, David S Safran, Nixon Peabody, March 25, 2003: US06537200 (130 worldwide citation)

The invention relates to a partially or fully implantable hearing system which is provided with a unit (


4
Martin Neumann, Ferdinand Kockerling: Surgical closure. David S Safran, Sixbey Friedman Leedom & Ferguson, August 1, 1995: US05437683 (127 worldwide citation)

A surgical closure which can be repeatedly opened and closed, especially one for an abdominal incision, consisting of flexible fabric or plate-like securing means which can be firmly secured to the bodily tissue close to the incision but can be released therefrom and with a closure bringing together ...


5
Hans Leysieffer, Bernd Waldmann: At least partially implantable system for rehabilitation of a hearing disorder. Cochlear, David S Safran, Nixon Peabody, June 10, 2003: US06575894 (121 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder with at least one sensor for picking up an acoustic signal and converting the acoustic signal into corresponding electrical signals, an electronic signal processing unit for audio signal processing and amplification, a ...


6
Yutaka Nakanishi: Game machine controller. Optec, David S Safran, Sixbey Friedman Leedom & Ferguson, June 2, 1998: US05759100 (114 worldwide citation)

A game machine controller according to the present invention is provided with a memory pack equipped with a nonvolatile memory. The memory pack is able to store a plurality of commands designated by a predetermined button operation as command programs. Once the data is stored, it is retained unless ...


7
Hans Leysieffer, Hans Peter Zenner, Joachim W Baumann: At least partially implantable system for rehabilitation of hearing disorder. Cochlear, David S Safran, Nixon Peabody, May 20, 2003: US06565503 (109 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder with at least one acoustic sensor (microphone) for picking up an acoustic sensor signal and converting the acoustic sensor signal into corresponding electrical signals, an electronic signal processing unit for audio si ...


8
Gunter Hortmann, Hans Leysieffer: Implantable hearing aid. Implex Spezialhorgerate, David S Safran, Sixbey Friedman Leedom & Ferguson, May 2, 1995: US05411467 (95 worldwide citation)

Implantable hearing aid for stimulation of the inner ear with a hydromechanical coupling element having an input side connected to an electromechanical converter for transmission to the inner ear of the mechanical vibrations generated by the converter.


9
Todd A Sheridan, A S Ghuman, Angie R May, Rod Radovanovic, John M Janssen, Peter V Woon: Cooled exhaust gas recirculation system with load and ambient bypasses. Cummins Engine Company, Charles M Leedom Jr, David S Safran, Sixbey Friedman Leedom & Ferguson P C, April 8, 1997: US05617726 (94 worldwide citation)

EGR induction supercharged or turbocharged internal combustion engine having EGR and EGR cooling in which EGR cooling is obtained through jacket water coolers and/or an air-to-air aftercooler. EGR induction is obtained via either low pressure (ambient) induction to the system intake, or via venturi ...


10
Hans Leysieffer: At least partially implantable system for rehabilitation of a hearing disorder. Cochlear, David S Safran, Nixon Peabody, February 24, 2004: US06697674 (93 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder which has at least one sensor (microphone) for picking up an acoustic signal and converting it into corresponding electrical signals, an electronic signal processing unit for audio signal processing and amplification, ...



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