Granted Patent
Utility
US 6,473,190 · App. 09/523,716
Optical volume sensor
Inventor:
Andrew J. Dosmann
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Mar 13, 2000
Inventor
Andrew J. Dosmann
Assignee (at issue)
Bayer Aktiengesellschaft
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.