Granted Patent
Utility
US 5,867,957 · App. 08/735,062
Sound insulation pad and use thereof
Inventor:
James S. Holtrop
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Oct 17, 1996
Inventor
James S. Holtrop
Assignee (at issue)
Soliton, Inc.
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.