Granted Patent
Utility
US 6,756,598 · App. 10/177,622
Unit for irradiating a workpiece with ultraviolet radiation
Inventors:
Matthias Berg, Ralf Kupferer, Martin Ehrath
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Jun 19, 2002
Inventors
Matthias Berg
Ralf Kupferer
Martin Ehrath
Assignee (at issue)
Erwin Behr Automotive 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.