Granted Patent
Utility
US 6,797,003 · App. 08/161,194
Aspheric soft lens
Inventors:
Larry W. Blake, Lee Nordan
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Dec 1, 1993
Inventors
Larry W. Blake
Lee Nordan
Assignee (at issue)
Pharmacia & Upjohn Company LLC
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.