Granted Patent
Utility
US 6,033,103 · App. 09/181,893
Mixing device
Inventor:
Heinrich Schuchardt
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Oct 29, 1998
Inventor
Heinrich Schuchardt
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.