Granted Patent
Utility
US 6,118,897 · App. 09/296,526
Interactive drawing recognition processing method and apparatus thereof
Inventor:
Hideki Kohno
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Apr 22, 1999
Inventor
Hideki Kohno
Assignee (at issue)
NIPPON STEEL CORPORATION
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.