Granted Patent
Utility
US 6,056,231 · App. 08/645,996
Pushing member for apparatus for paying out a roll of insulation material
Inventors:
Don Albert Neifer, Dennis K. Wenrick, Ernest J. Plant
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: May 14, 1996
Inventors
Don Albert Neifer
Dennis K. Wenrick
Ernest J. Plant
Assignee (at issue)
Owens-Corning Fiberglas Technology, 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.