Granted Patent
Utility
US 5,218,487 · App. 07/954,798
Audio tape operation on a DAT data storage drive
Inventor:
Robert Richmond
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Sep 30, 1992
Inventor
Robert Richmond
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.