Granted Patent
Utility
US 6,292,820 · App. 08/688,128
Porting POSIX-conforming operating systems to Win32 API-conforming operating systems
Inventor:
David Korn
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Jul 29, 1996
Inventor
David Korn
Assignee (at issue)
AT&T CORP.
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.