Granted Patent
Utility
US 4,858,039 · App. 07/152,384
Streaming tape drive with direct block addressability
Inventor:
Roger G. Mintzlaff
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Feb 4, 1988
Inventor
Roger G. Mintzlaff
Assignee (at issue)
Archive 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.