Granted Patent
Utility
US 4,837,281 · App. 06/871,961
Method of making reinforced materials having improved reinforcing material therein
Inventors:
Billy B. Hibbard, Joe A. Mann, Frans P. P. Koeleveld, Agnes Potepan, Richard E. White, Barry T. Knight, Howard Bryant
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Jun 9, 1986
Inventors
Billy B. Hibbard
Joe A. Mann
Frans P. P. Koeleveld
Agnes Potepan
Richard E. White
Barry T. Knight
Howard Bryant
Assignee (at issue)
BASF SE
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.