Granted Patent
Utility
US 6,731,059 · App. 10/059,446
Magnetically transparent electrostatic shield
Inventor:
Robert B. Piejak
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Jan 29, 2002
Inventor
Robert B. Piejak
Assignee (at issue)
OSRAM SYLVANIA Inc.
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.