Granted Patent
Utility
US 6,717,739 · App. 10/453,972
Objective for stereomicroscopes of the telescope type
Inventors:
Klaus-Peter Zimmer, Ruedi Rottermann
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jun 4, 2003
Inventors
Klaus-Peter Zimmer
Ruedi Rottermann
Assignee (at issue)
Leica Microsystems (Schweiz) AG
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.