Granted Patent
Utility
US 5,408,368 · App. 07/843,511
Digital servo track format
Inventor:
Kurt Hallamasek
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Feb 28, 1992
Inventor
Kurt Hallamasek
Assignee (at issue)
Ampex 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.