Granted Patent
Utility
US 6,028,871 · App. 09/178,312
Driver circuit for a solid state optical emitter device
Inventors:
John Barry Vaughan, David Chown, David Gee
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Oct 23, 1998
Inventors
John Barry Vaughan
David Chown
David Gee
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.