Granted Patent
Utility
US 5,287,219 · App. 07/688,090
Microscope for two or more operators
Inventors:
Klaus Hildebrand, Klaus-Peter Zimmer, Heinz Suhner, Juergen Metz, Luitpold Schulz
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Apr 22, 1991
Inventors
Klaus Hildebrand
Klaus-Peter Zimmer
Heinz Suhner
Juergen Metz
Luitpold Schulz
Assignee (at issue)
Leica Heerbrugg 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.