Granted Patent
Utility
US 4,854,671 · App. 07/031,009
Mount for optical elements
Inventors:
Peter Hanke, Rolf-Dietrich Grimminger
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Feb 11, 1987
Inventors
Peter Hanke
Rolf-Dietrich Grimminger
Assignee (at issue)
Optische Werke G. Rodenstock
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.