Granted Patent
Utility
US 6,407,550 · App. 09/136,767
Line locator with accurate horizontal displacement detection
Inventors:
Gopalakrishnan R. Parakulam, Stevan Polak
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Aug 19, 1998
Inventors
Gopalakrishnan R. Parakulam
Stevan Polak
Assignee (at issue)
Metrotech Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.