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Patent applications and USPTO patent grants for Siegel; John H..The latest application filed is for "one-way valve".
Patent | Date |
---|---|
One-way valve Grant 5,392,769 - Siegel February 28, 1 | 1995-02-28 |
Advanced signal processing methodology for the detection, localization and quantification of acute myocardial ischemia Grant 5,365,426 - Siegel , et al. November 15, 1 | 1994-11-15 |
Personal airflow gage for a personal breathing supply of respirable quality air, and related accessories, including a two way communication system, used while working in contaminated air spaces Grant 5,103,815 - Siegel , et al. April 14, 1 | 1992-04-14 |
Advanced signal processing methodology for the detection, localization and quantification of acute myocardial ischemia Grant 4,974,162 - Siegel , et al. November 27, 1 | 1990-11-27 |
Non-invasive method and apparatus for describing the electrical activity of the surface of an interior organ Grant 4,961,428 - Nikias , et al. October 9, 1 | 1990-10-09 |
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