Granted Patent
Utility
US 6,835,421 · App. 09/647,129
Method for impregnating decorative papers
Inventor:
Dieter Döhring
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Nov 27, 2000
Inventor
Dieter Döhring
Assignee (at issue)
Kronospan Technical Co. 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.