Assignee
EM TECH LLC
US3 patents
Top patents by PatentIndex Score
US6553838B2Apr 29, 2003
Detection of anomalies on railroad tracks
EM TECH LLC25 citations90
US6392421B1May 21, 2002
Spectral EM frequency metallic thickness measurement using metallic transparencies
EM TECH LLC14 citations82
US6351245B1Feb 26, 2002
Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiation
EM TECH LLC3 citations60