Granted Patent
Utility
US 6,507,941 · App. 09/301,143
Subgrid detailed routing
Inventors:
Hardy Kwok-Shing Leung, Raymond Nijssen
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Apr 28, 1999
Inventors
Hardy Kwok-Shing Leung
Raymond Nijssen
Assignee (at issue)
Magma Design Automation, 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.