Granted Patent
Utility
US 4,587,466 · App. 06/448,130
Two axis linear motor for optical focusing and tracking system in optical recording
Inventors:
Thomas E. Berg, Christopher Pollard
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Dec 9, 1982
Inventors
Thomas E. Berg
Christopher Pollard
Assignee (at issue)
Magnetic Peripherals, Inc.
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.