Granted Patent
Utility
US 4,740,555 · App. 06/935,869
Molding composition with enhanced weld-line strength
Inventors:
Barry D. Dean, Kathleen A. Geddes
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Nov 28, 1986
Inventors
Barry D. Dean
Kathleen A. Geddes
Assignee (at issue)
Arco Chemical Company
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.