Granted Patent
Utility
US 5,934,555 · App. 08/811,006
Pressure atomizer nozzle
Inventors:
Klaus Dobbeling, Peter Jansohn, Hans Peter Knopfel, Christian Steinbach
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Mar 4, 1997
Inventors
Klaus Dobbeling
Peter Jansohn
Hans Peter Knopfel
Christian Steinbach
Assignee (at issue)
ABB RESEARCH LTD.
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.