Inventor
NEAL DAVID M
US3 patents
Patents
3 patentsUS6649129B1Nov 18, 2003
Method and apparatus for concentrating a VOC sample
TELEDYNE TEKMAR COMPANY86 citations92
US6706245B2Mar 16, 2004
Three stage needle for use with an autosampler
TELEDYNE TEKMAR COMPANY23 citations86
US6872362B2Mar 29, 2005
Vial handling system with improved mixing mechanism
TELEDYNE TEKMAR COMPANY16 citations76