Granted Patent
Utility
US 5,853,820 · App. 08/880,368
Controlled laser texturing glass-ceramic substrates for magnetic recording media
Inventors:
David S. Kuo, Don Polensky
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Jun 23, 1997
Inventors
David S. Kuo
Don Polensky
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.