Granted Patent
Utility
US 4,943,877 · App. 07/378,013
Fine head positioning system for a tape backup device
Inventors:
Thomas G. Cannon, Bruce D. Roemmich, Terry A. Precht
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Jul 11, 1989
Inventors
Thomas G. Cannon
Bruce D. Roemmich
Terry A. Precht
Assignee (at issue)
Colorado Memory Systems, 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.