Joel N. Helfer

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Chesire, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrophoresis frame for gel slabs with different thickness holder...
- Patent number 6,969,455
- Issue date Nov 29, 2005
- Joel Helfer
- G01 - MEASURING TESTING
Information Patent Grant
Electronic imaging system for autoradiography
- Patent number 6,346,707
- Issue date Feb 12, 2002
- Eastman Kodak Company
- Douglas L. Vizard
- G01 - MEASURING TESTING
Information Patent Grant
Low fog electrophoresis device
- Patent number 5,779,869
- Issue date Jul 14, 1998
- Eastman Kodak Company
- Joel Norman Helfer
- G01 - MEASURING TESTING
Information Patent Grant
Connectors for electrophoresis device
- Patent number 5,405,520
- Issue date Apr 11, 1995
- Eastman Kodak Company
- Joel N. Helfer
- G01 - MEASURING TESTING
Information Patent Grant
Electronic thermometer with probe isolation chamber
- Patent number 4,619,271
- Issue date Oct 28, 1986
- Chesebrough-Pond's, Inc.
- Laurie J. Burger
- G01 - MEASURING TESTING