Granted Patent
Utility
US 4,842,782 · App. 06/919,206
Manufacture of ophthalmic lenses by excimer laser
Inventors:
Valdemar Portney, Albert C. Ting
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Oct 14, 1986
Inventors
Valdemar Portney
Albert C. Ting
Assignee (at issue)
Allergan, 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.