Andrew J. Griffin

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Framingham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Heart rate analyzer
- Patent number 4,259,966
- Issue date Apr 7, 1981
- American Optical Corporation
- Robert L. Cannon
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Variable threshold R-wave detector
- Patent number 4,240,442
- Issue date Dec 23, 1980
- American Optical Corporation
- Richard P. Andresen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for monitoring electrocardiographic waveforms
- Patent number 4,181,135
- Issue date Jan 1, 1980
- American Optical Corporation
- Richard P. Andresen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE