Granted Patent
Utility
US 6,699,367 · App. 09/933,026
Papermaker's felt
Inventors:
Hippolit Gstrein, Wolfgang Friesenbichler
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Aug 20, 2001
Inventors
Hippolit Gstrein
Wolfgang Friesenbichler
Assignee (at issue)
Weavexx Corporation
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.