Granted Patent
Utility
US 5,795,448 · App. 08/570,220
Magnetic device for rotating a substrate
Inventors:
Steven Hurwitt, Ira Reiss, Marian Zielinski, Swie-In Tan
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Dec 8, 1995
Inventors
Steven Hurwitt
Ira Reiss
Marian Zielinski
Swie-In Tan
Assignees (at issue)
SONY GROUP CORPORATION
Lateral Research Limited Liability Company
Read Rite 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.