Granted Patent
Utility
US 5,621,549 · App. 08/517,462
Method and apparatus for positioning a light beam on a holographic media
Inventor:
Stephen R. Redfield
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Aug 21, 1995
Inventor
Stephen R. Redfield
Assignee (at issue)
Tamarack Storage Devices
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.