Granted Patent
Utility
US 4,157,488 · App. 05/784,766
Apparatus and method for controlling a tape drive to maintain a substantially constant linear tape velocity
Inventor:
James Allan
Patented Case
View Patent ↗
Granted: Jun 5, 1979
Filed: Apr 5, 1977
Inventor
James Allan
Assignee (at issue)
Burroughs, 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.