Granted Patent
Utility
US 6,726,676 · App. 09/478,047
Method of and device for improving the flow of aqueous humor within the eye
Inventors:
Robert Stegmann, Hans R. Grieshaber
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jan 5, 2000
Inventors
Robert Stegmann
Hans R. Grieshaber
Assignee (at issue)
Grieshaber & Co. AG Schaffhausen
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.