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David M. Neal
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Hamilton, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vial handling system with improved mixing mechanism
Patent number
6,872,362
Issue date
Mar 29, 2005
Teledyne Tekmar Company
Harry W. Schmidt
G01 - MEASURING TESTING
Information
Patent Grant
Three stage needle for use with an autosampler
Patent number
6,706,245
Issue date
Mar 16, 2004
Teledyne Tekmar Company
David M. Neal
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for concentrating a VOC sample
Patent number
6,649,129
Issue date
Nov 18, 2003
Teledyne Tekmar Company
David M. Neal
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Automated environmental analytic system with improved sample throug...
Publication number
20030170902
Publication date
Sep 11, 2003
Eric T. Heggs
G01 - MEASURING TESTING
Information
Patent Application
Vial handling system with improved sample extraction
Publication number
20020025581
Publication date
Feb 28, 2002
Harry W. Schmidt
G01 - MEASURING TESTING
Information
Patent Application
Water and soil autosampler
Publication number
20020006356
Publication date
Jan 17, 2002
David M. Neal
G01 - MEASURING TESTING
Information
Patent Application
Three stage needle for use with an autosampler
Publication number
20020006360
Publication date
Jan 17, 2002
David M. Neal
G01 - MEASURING TESTING
Information
Patent Application
Vial handling system with improved vial gripper
Publication number
20010048894
Publication date
Dec 6, 2001
Harry W. Schmidt
G01 - MEASURING TESTING
Information
Patent Application
Vial handling system with improved mixing mechanism
Publication number
20010024624
Publication date
Sep 27, 2001
Harry W. Schmidt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL