Granted Patent
Utility
US 4,466,027 · App. 06/333,309
Digital tape erasure conditioning system
Inventors:
Jones V. Howell, William R. Miller, William A. Buchan
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Dec 22, 1981
Inventors
Jones V. Howell
William R. Miller
William A. Buchan
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.