Granted Patent
Utility
US 5,506,299 · App. 08/262,192
High impact resistant blends of thermoplastic polyamides and modified block copolymers
Inventors:
Richard Gelles, William P. Gergen, Robert G. Lutz, Michael J. Modic
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Jun 20, 1994
Inventors
Richard Gelles
William P. Gergen
Robert G. Lutz
Michael J. Modic
Assignee (at issue)
SHELL OIL 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.