Granted Patent
Utility
US 6,355,339 · App. 09/617,866
Mechanically secured foam core reinforcement
Inventor:
Kent Sherwood
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Jul 17, 2000
Inventor
Kent Sherwood
Assignee (at issue)
Foam Matrix, 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.