Granted Patent
Utility
US 6,390,621 · App. 09/580,162
Manufacturing of positive power ophthalmic lenses
Inventors:
Alan D. Maki, Jeffrey L. VerMurlen, David Olund
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: May 30, 2000
Inventors
Alan D. Maki
Jeffrey L. VerMurlen
David Olund
Assignee (at issue)
Vision-Ease Lens
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.