Granted Patent
Utility
US 6,415,438 · App. 09/412,839
Trigger having a time attribute
Inventors:
Dean J. Blackketter, Daniel J. Zigmond, Timothy F. Park
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Oct 5, 1999
Inventors
Dean J. Blackketter
Daniel J. Zigmond
Timothy F. Park
Assignee (at issue)
WebTV Networks, 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.