Granted Patent
Utility
US 6,720,068 · App. 09/623,420
Sound absorbent thin-layer laminate
Inventors:
William Ray Vanbemmel, Anthony C. Vulpitta, Thorsten Alts
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: May 27, 2003
Inventors
William Ray Vanbemmel
Anthony C. Vulpitta
Thorsten Alts
Assignee (at issue)
Rieter Automotive (International) 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.