Granted Patent
Utility
US 5,530,752 · App. 08/199,686
Systems and methods for protecting software from unlicensed copying and use
Inventor:
Robert Rubin
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Feb 22, 1994
Inventor
Robert Rubin
Assignee (at issue)
Convex Computer 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.