Cantrell, Jr.; John H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cantrell, Jr.; John H..The latest application filed is for "non-invasive method of determining absolute intracranial pressure".

Company Profile

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Cantrell, Jr.; John H. - Williamsburg VA
Cantrell, Jr.; John H. - Yorktown VA
Cantrell, Jr.; John H. - Tabb VA
Cantrell, Jr.; John H. - Newport News VA
Cantrell, Jr.; John H. - Knoxville TN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Non-invasive method of determining absolute intracranial pressure Grant 6,773,407 - Yost , et al. August 10, 2	2004-08-10
Method and apparatus for non-invasive measurement of changes in intracranial pressure Grant 6,761,695 - Yost , et al. July 13, 2	2004-07-13
Method and apparatus for determining changes in intracranial pressure utilizing measurement of the circumferential expansion or contraction of a patient's skull Grant 6,746,410 - Yost , et al. June 8, 2	2004-06-08
Non-invasive method of determining diastolic intracranial pressure Grant 6,740,048 - Yost , et al. May 25, 2	2004-05-25
Non-invasive method and apparatus for monitoring intracranial pressure and pressure volume index in humans Grant 5,617,873 - Yost , et al. April 8, 1	1997-04-08
Beat frequency ultrasonic microsphere contrast agent detection system Grant 5,601,086 - Pretlow, III , et al. February 11, 1	1997-02-11
Method and apparatus for characterizing reflected ultrasonic pulses Grant 5,031,627 - Yost , et al. July 16, 1	1991-07-16
Frequency tracked gated pulse technique for ultrasonic frequency Grant 4,391,142 - Cantrell, Jr. , et al. July 5, 1	1983-07-05
Liquid-immersible electrostatic ultrasonic transducer Grant 4,310,906 - Cantrell, Jr. , et al. January 12, 1	1982-01-12
Ultrasonic technique for characterizing skin burns Grant 4,080,960 - Goans , et al. March 28, 1	1978-03-28

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