Granted Patent
Utility
US 5,334,338 · App. 07/895,213
Process for manufacturing a sound insulating structure
Inventors:
Christoph Kittel, Hans Walendy, Gerhard Burak, Manfred Hoffmann
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Jun 8, 1992
Inventors
Christoph Kittel
Hans Walendy
Gerhard Burak
Manfred Hoffmann
Assignee (at issue)
Dr. Alois Stankiewicz GmbH
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.