Granted Patent
Utility
US 6,059,721 · App. 09/011,933
Endoscope having variable magnification and focusing
Inventors:
Jurgen Rudischhauser, Frank Lederer, Jan Dahmen
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Feb 17, 1998
Inventors
Jurgen Rudischhauser
Frank Lederer
Jan Dahmen
Assignee (at issue)
Karl Storz GmbH & Co. KG
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.