Granted Patent
Utility
US 5,589,243 · App. 08/503,205
Reinforced foam cores and method and apparatus of production
Inventor:
Stephen W. Day
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Jul 17, 1995
Inventor
Stephen W. Day
Assignee (at issue)
Webcore Technologies, 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.