Donald E. Gueffroy

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Davis, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrophoresis cassette with collapsible buffer chamber
- Patent number 7,754,060
- Issue date Jul 13, 2010
- Bio-Rad Laboratories, Inc.
- Donald E. Gueffroy
- G01 - MEASURING TESTING
Information Patent Grant
Electrophoresis gels with incorporated indicia
- Patent number 6,986,836
- Issue date Jan 17, 2006
- Bio-Rad Laboratories, Inc.
- Cory M. Panattoni
- G01 - MEASURING TESTING
Information Patent Grant
Smooth-surfaced phosphor screen
- Patent number 5,653,830
- Issue date Aug 5, 1997
- Bio-Rad Laboratories, Inc.
- Gordon E. Fleig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Protective overlayer for phosphor imaging screen
- Patent number 5,466,947
- Issue date Nov 14, 1995
- Bio-Rad Laboratories, Inc.
- Gordon E. Fleig
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING

Patents Applicationslast 30 patents

Information Patent Application
Electrophoresis cassette with collapsible buffer chamber
- Publication number 20070235337
- Publication date Oct 11, 2007
- BIO-RAD LABORATORIES, INC. a corporation of the state of Delaware
- Donald E. Gueffroy
- G01 - MEASURING TESTING
Information Patent Application
Electrophoresis gels with incorporated indicia
- Publication number 20050230256
- Publication date Oct 20, 2005
- Bio-Rad Laboratories, Inc.
- Cory M. Panattoni
- G01 - MEASURING TESTING
Information Patent Application
Electrophoresis gels with incorporated indicia
- Publication number 20040195102
- Publication date Oct 7, 2004
- BIO-RAD LABORATORIES, INC. a corporation of the state of Delaware
- Cory M. Panattoni
- G01 - MEASURING TESTING