Granted Patent
Utility
US 5,198,948 · App. 07/622,558
Shielded servo heads with improved passive noise cancellation
Inventors:
Lance E. Stover, Beat G. Keel, John Bortins, Gerald L. Weispfenning
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Dec 5, 1990
Inventors
Lance E. Stover
Beat G. Keel
John Bortins
Gerald L. Weispfenning
Assignee (at issue)
Seagate Technology LLC
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.