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United States Utility Patents
4,561,440 - 4,561,449

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NumberTitle
4,561,440 Apparatus for laser light medical treatment
4,561,441 Liquid back support pad for inclined surfaces
4,561,442 Implantable cardiac pacer with discontinuous microprocessor programmable antitachycardia mechanisms and patient data telemetry
4,561,443 Coherent inductive communications link for biomedical applications
4,561,444 Implantable cardiac pacer having dual frequency programming and bipolar/linipolar lead programmability
4,561,445 Elongated needle electrode and method of making same
4,561,446 Ultrasonic probe which can be introduced into a body
4,561,447 Apparatus and method of detecting arterial pulse wave
4,561,448 Apparatus for sensing and recording biopotential electrical signals
4,561,449 Auditory-evoked-action-potential-measuring system



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