Granted Patent
Utility
US 6,749,929 · App. 09/709,743
Heat-insulating and soundproofing lining for an engine compartment of a motor vehicle
Inventors:
Michael Fred Enkler, Michael Bopp
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Nov 13, 2000
Inventors
Michael Fred Enkler
Michael Bopp
Assignee (at issue)
HP-Chemie Pelzer Research & Development 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.