Granted Patent
Utility
US 5,939,212 · App. 08/871,771
Flexible corrugated multilayer metal foil shields and method of making
Inventors:
G. William Ragland, Raymond E. Ragland, Christopher V. Ragland
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Jun 9, 1997
Inventors
G. William Ragland
Raymond E. Ragland
Christopher V. Ragland
Assignee (at issue)
ATD 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.