Granted Patent
Utility
US 5,914,078 · App. 08/982,176
Method of making a foam-filled door
Inventor:
Timothy Morrison
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Dec 1, 1997
Inventor
Timothy Morrison
Assignee (at issue)
Wayne-Dalton Corp.
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.