Granted Patent
Utility
US 6,235,661 · App. 08/880,867
Fabric laminated flotation foam material for manufacturing life jackets and similar articles and articles manufactured using such materials
Inventor:
Alexander Khanamirian
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 23, 1997
Inventor
Alexander Khanamirian
Assignee (at issue)
Extrasport, 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.