Granted Patent
Utility
US 6,388,813 · App. 09/449,318
Optical stack of laminated removable lenses for face shields windows and displays
Inventors:
Bart E. Wilson, Seth Wilson, Stephen S. Wilson
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Nov 24, 1999
Inventors
Bart E. Wilson
Seth Wilson
Stephen S. Wilson
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.