Granted Patent
Utility
US 5,995,659 · App. 08/926,217
Method of searching and extracting text information from drawings
Inventors:
Amit Chakraborty, Peiya Liu, Liang Hsu
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Sep 9, 1997
Inventors
Amit Chakraborty
Peiya Liu
Liang Hsu
Assignee (at issue)
Siemens Corporate Research, 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.