Granted Patent
Utility
US 6,199,042 · App. 09/100,299
Reading system
Inventor:
Raymond C. Kurzweil
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Jun 19, 1998
Inventor
Raymond C. Kurzweil
Assignee (at issue)
L&H Applications USA, 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.