1
Harry Levitt, Richard S Dugot, Kenneth W Kopper: Programmable digital hearing aid system. Audimax, Brumbaugh Graves Donohue & Raymond, March 15, 1988: US04731850 (100 worldwide citation)

A hearing aid system comprises a hearing aid that is programmable so as to have optimum electro-acoustic characteristics for the patient and acoustic environment in which it is used. Selected optimum parameter values are programmed into an electronically erasable, programmable read only memory (EEPR ...


2
Harry Levitt, Richard S Dugot, Kenneth W Kopper: Host controller for programmable digital hearing aid system. Audimax, Brumbaugh Graves Donohue & Raymond, November 7, 1989: US04879749 (60 worldwide citation)

A host controller for producing data from a computer for a programmable filter of a hearing aid to cancel feedback in which phase shift and gain control means as adjusted by the computer to generate a feedback cancellation voltage which is supplied to the hearing aid for summation of the feedback an ...


3
Richard S Dugot: Electric stimulator and test instrument therefor. Biolectron, Brumbaugh Graves Donohue & Raymond, July 15, 1986: US04600010 (49 worldwide citation)

Body stimulator apparatus comprises a portable housing containing a signal generator that supplies a periodically varying treatment signal of ultrasonic frequency and given voltage and current to electrodes applied to a living body to be treated. A retrievable record of the time of treatment is stor ...


4
Richard S Dugot: Electrical stimulating apparatus. Biolectron, Brumbaugh Graves Donohue & Raymond, July 17, 1984: US04459988 (35 worldwide citation)

Apparatus for stimulating osteogenesis in a living body comprises a portable, light weight, self-contained, low drain, battery powered stimulating instrument adapted to be carried by a patient during treatment for applying a high frequency alternating current treatment signal to the skin of the pati ...


5
Richard S Dugot: Electrical stimulating apparatus. Biolectron, Brumbaugh Graves Donohue & Raymond, April 9, 1985: US04509520 (32 worldwide citation)

Apparatus for stimulating osteogenesis in a living body comprises a portable, light weight, self-contained, low drain, battery powered stimulating instrument adapted to be carried by a patient during treatment for applying a high frequency alternating current treatment signal to the skin of the pati ...


6
Richard S Dugot: Method for accelerating osseointegration of metal bone implants using electrical stimulation. Biolectron, Baker & Botts L, April 14, 1998: US05738521 (26 worldwide citation)

A method and apparatus for accelerating osseointegration of titanium implants in bone to anchor a prosthetic or dental device thereon in which an alternating electric signal of symmetrical wave form and of substantially constant amplitude having a frequency in the range of from about 40 to 100 KHz a ...


7
Richard S Dugot: Audiometer. Biolectron, May 26, 1987: US04667683 (6 worldwide citation)

Audiometer apparatus comprises an electrostatic transducer having insulated electrodes for application to the skin on the head of a patient and driven by an ultrasonic frequency carrier signal generated in a series resonant circuit including the impedance of the body tissues between the electrodes, ...