Granted Patent
Utility
US 6,063,152 · App. 09/025,138
Tuned electromagnetic interference air filter
Inventor:
John M. Teter
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Feb 17, 1998
Inventor
John M. Teter
Assignee (at issue)
Marconi Communications GmbH
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.