Granted Patent
Utility
US 4,139,269 · App. 05/846,214
Mirror with rim in groove mounting
Inventor:
Willi Backenkohler
Patented Case
View Patent ↗
Granted: Feb 13, 1979
Filed: Oct 27, 1977
Inventor
Willi Backenkohler
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.