Granted Patent
Utility
US 5,215,813 · App. 07/813,616
Ballistic materials
Inventors:
David R. Hartman, Ralph B. Jutte, Timothy W. Ramey
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Dec 26, 1991
Inventors
David R. Hartman
Ralph B. Jutte
Timothy W. Ramey
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.