Granted Patent
Utility
US 6,054,990 · App. 08/684,842
Computer system with handwriting annotation
Inventor:
Bao Tran
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Jul 5, 1996
Inventor
Bao Tran
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.