Granted Patent
Utility
US 6,509,893 · App. 09/605,096
Reading pen
Inventors:
Noroz Nader Akhlagi, Fredrik Alexander Lonn, Peter Wittrup
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jun 27, 2000
Inventors
Noroz Nader Akhlagi
Fredrik Alexander Lonn
Peter Wittrup
Assignee (at issue)
C Technologies AB
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.