Granted Patent
Utility
US 5,642,497 · App. 08/380,273
Digital disk recorder using a port clock having parallel tracks along a timeline with each track representing an independently accessible media stream
Inventors:
Errol C. Crary, Richard W. Stallkamp, Laurence J. Morandi, Douglas C. Stevens, Alexandru Mitaru
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Jan 30, 1995
Inventors
Errol C. Crary
Richard W. Stallkamp
Laurence J. Morandi
Douglas C. Stevens
Alexandru Mitaru
Assignee (at issue)
Tektronix, 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.