Granted Patent
Utility
US 6,582,422 · App. 09/970,292
Ophthalmic delivery device
Inventor:
Charles E. Hess
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Oct 3, 2001
Inventor
Charles E. Hess
Assignee (at issue)
BAUSCH & LOMB INCORPORATED
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.