Granted Patent
Utility
US 6,467,903 · App. 09/818,244
Contact lens having a uniform horizontal thickness profile
Inventor:
Arthur Back
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Mar 27, 2001
Inventor
Arthur Back
Assignee (at issue)
OCULAR SCIENCE, 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.