Granted Patent
Utility
US 6,459,495 · App. 09/112,785
Dot center tracking in optical storage systems using ink dots
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Jul 10, 1998
Inventor
Kia Silverbrook
Assignee (at issue)
Silverbrook Research Pty Ltd
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.