Granted Patent
Utility
US 5,201,580 · App. 07/576,107
Impingement mixing device
Inventor:
Adolf Bauer
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Aug 29, 1990
Inventor
Adolf Bauer
Assignee (at issue)
KraussMaffei 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.