Fred L. DeRoos

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Weighted bioacoustic sensor and method of using same
- Patent number 8,333,718
- Issue date Dec 18, 2012
- 3M Innovative Properties Company
- Hatim M. Carim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cantilevered bioacoustic sensor and method using same
- Patent number 8,024,974
- Issue date Sep 27, 2011
- 3M Innovative Properties Company
- Vivek Bharti
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Weighted bioacoustic sensor and method of using same
- Patent number 7,998,091
- Issue date Aug 16, 2011
- 3M Innovative Properties Company
- Hatim M. Carim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fluid permeation testing apparatus employing mass spectrometry
- Patent number 7,555,934
- Issue date Jul 7, 2009
- 3M Innovative Properties Company
- Fred L. DeRoos
- G01 - MEASURING TESTING
Information Patent Grant
Fluid permeation testing method employing mass spectrometry
- Patent number 7,552,620
- Issue date Jun 30, 2009
- 3M Innovative Properties Company
- Fred L. DeRoos
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
WEIGHTED BIOACOUSTIC SENSOR AND METHOD OF USING SAME
- Publication number 20110301503
- Publication date Dec 8, 2011
- 3M Innovative Properties Company
- HATIM M. CARIM
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
FLUID PERMEATION TESTING APPARATUS EMPLOYING MASS SPECTROMETRY
- Publication number 20080060418
- Publication date Mar 13, 2008
- 3M Innovative Properties Company
- Fred L. DeRoos
- G01 - MEASURING TESTING
Information Patent Application
FLUID PERMEATION TESTING METHOD EMPLOYING MASS SPECTROMETRY
- Publication number 20080060417
- Publication date Mar 13, 2008
- 3M Innovative Properties Company
- Fred L. DeRoos
- G01 - MEASURING TESTING
Information Patent Application
Cantilevered bioacoustic sensor and method using same
- Publication number 20070113649
- Publication date May 24, 2007
- Vivek Bharti
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Weighted bioacoustic sensor and method of using same
- Publication number 20070113654
- Publication date May 24, 2007
- Hatim M. Carim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE