Granted Patent
Utility
US 6,141,723 · App. 09/056,435
Virtual machine system for accessing external subprogram functions
Inventor:
David J. Lyons
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Apr 7, 1998
Inventor
David J. Lyons
Assignee (at issue)
Microware
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.