Granted Patent
Utility
US 5,842,686 · App. 08/551,406
Patterned noise damping composite
Inventors:
Richard M. Hansen, Scott R. Dobrusky, Edward J. Vydra
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Nov 1, 1995
Inventors
Richard M. Hansen
Scott R. Dobrusky
Edward J. Vydra
Assignee (at issue)
Pre Finish Metals Incorporated
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.