Granted Patent
Utility
US 6,167,657 · App. 08/959,914
Weatherstrip product formed by sequential extrusion of cellular and non-cellular plastic resins
Inventors:
Gary Burge, Robert Pauley
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Oct 29, 1997
Inventors
Gary Burge
Robert Pauley
Assignee (at issue)
Marley Mouldings 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.