Granted Patent
Utility
US 5,945,197 · App. 08/957,812
Laser texturing of magnetic recording medium using multiple lens focusing
Inventors:
Jialuo Jack Xuan, Ga-Lane Chen
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Oct 27, 1997
Inventors
Jialuo Jack Xuan
Ga-Lane Chen
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.