Granted Patent
Utility
US 6,225,879 · App. 09/178,112
Unperturbed ring resonator with an odd overtone vibration mode
Inventors:
Martin Schallner, Willibald Konrath
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Oct 23, 1998
Inventors
Martin Schallner
Willibald Konrath
Assignee (at issue)
Robert Bosch GmbH
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.