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Johns Hopkins University

Johns Hopk

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4881939A	Implantable helical cuff	Expired / Lapsed	1985-02-19	1989-11-21	39	Details
US4114606A	Monitoring apparatus for resonant circuit intracranial pres…	Expired / Lapsed	1976-11-12	1978-09-19	7	Details
US3518984A	Packaged diagnostic electrode device	Expired / Lapsed	1967-10-12	1970-07-07	0	Details
US3464404A	Bio-medical instrumentation electrode	Expired / Lapsed	1966-06-17	1969-09-02	0	Details