David Barkus

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Oakville, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Assemblies for ion and electron sources and methods of use
- Patent number 9,653,274
- Issue date May 16, 2017
- PerkinElmer Health Sciences, Inc.
- Keith Ferrara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Assemblies for ion and electron sources and methods of use
- Patent number 9,263,243
- Issue date Feb 16, 2016
- PerkinElmer Health Sciences, Inc.
- Keith Ferrara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Assemblies for ion and electron sources and methods of use
- Patent number 8,916,821
- Issue date Dec 23, 2014
- PerkinElmer Health Sciences, Inc.
- Keith Ferrara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ASSEMBLIES FOR ION AND ELECTRON SOURCES AND METHODS OF USE
- Publication number 20160254132
- Publication date Sep 1, 2016
- PerkinElmer Health Sciences, Inc.
- Keith Ferrara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ASSEMBLIES FOR ION AND ELECTRON SOURCES AND METHODS OF USE
- Publication number 20150221491
- Publication date Aug 6, 2015
- PerkinElmer Health Sciences, Inc.
- Keith Ferrara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ASSEMBLIES FOR ION AND ELECTRON SOURCES AND METHODS OF USE
- Publication number 20110089333
- Publication date Apr 21, 2011
- Keith Ferrara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BAFFLE APPARATUS AND SYSTEMS AND METHODS USING THEM
- Publication number 20080048108
- Publication date Feb 28, 2008
- David Alan Barkus
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Modular arc chamber assembly
- Publication number 20020117477
- Publication date Aug 29, 2002
- Gary Steven Douville
- H01 - BASIC ELECTRIC ELEMENTS