Granted Patent
Utility
US 4,434,946 · App. 06/481,531
Strand guide for packaging apparatus
Inventors:
David Lewin, Louie J. Haynes, Lynne B. Beach
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Apr 1, 1983
Inventors
David Lewin
Louie J. Haynes
Lynne B. Beach
Assignee (at issue)
Owens-Corning Fiberglas 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.