Gadtke, David W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gadtke, David W..The latest application filed is for "remotely operable vent stop".
- Gadtke, David W. - Edina MN
- Gadtke; David W. - Plymouth MN
- Gadtke; David W. - Maple Grove MN
- Gadtke; David W. - Waterloo IA
| Patent | Date |
|---|---|
| Remotely operable vent stop App 20040078878 - Gadtke, David W. ; et al. | 2004-04-29 |
| Offset pulse oximeter sensor Grant 5,800,349 - Isaacson , et al. September 1, 1 | 1998-09-01 |
| Finger clip pulse oximeter Grant 5,792,052 - Isaacson , et al. August 11, 1 | 1998-08-11 |
| Finger clip pulse oximeter Grant 5,490,523 - Isaacson , et al. February 13, 1 | 1996-02-13 |
| Pulse oximeter with circuit leakage and ambient light compensation Grant RE33,643 - Isaacson , et al. July 23, 1 | 1991-07-23 |
| Single channel pulse oximeter Grant 4,773,422 - Isaacson , et al. September 27, 1 | 1988-09-27 |
| Tachometer Grant 4,281,388 - Friend , et al. July 28, 1 | 1981-07-28 |
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