Granted Patent
Utility
US 6,221,439 · App. 08/898,042
Method for applying a coating film on a three-dimensionally curved substrate
Inventors:
Oswin Negele, Karl Holdik
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jul 18, 1997
Inventors
Oswin Negele
Karl Holdik
Assignee (at issue)
Daimlerchrysler AG
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.