Logan; Charles H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Logan; Charles H..The latest application filed is for "rf mass spectrometer".
- Logan; Charles H. - Botheil WA
- Logan; Charles H. - Woodinville WA
- Logan; Charles H. - Portland OR
- Logan; Charles H. - Sherman Oaks CA
| Patent | Date |
|---|---|
| RF mass spectrometer Grant 5,136,161 - Logan August 4, 1 | 1992-08-04 |
| Apparatus and method for inspiration detection Grant 5,050,614 - Logan September 24, 1 | 1991-09-24 |
| Respiration monitoring method and apparatus including cardio-vascular artifact detection Grant 4,305,400 - Logan December 15, 1 | 1981-12-15 |
| Inflatable Massaging Pad For A Seat Grant 3,613,671 - Poor , et al. October 19, 1 | 1971-10-19 |
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