Granted Patent
Utility
US 6,256,646 · App. 09/114,402
Method and system for identifying the state of a media device by monitoring file system calls
Inventors:
Robert Phillip Starek, Carlos A. Murdock
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Jul 13, 1998
Inventors
Robert Phillip Starek
Carlos A. Murdock
Assignee (at issue)
Infraworks 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.