Granted Patent
Utility
US 5,227,428 · App. 07/823,005
Rubber modified nylon composition
Inventors:
Richard E. Lavengood, Allen R. Padwa, Alva F. Harris
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jan 15, 1992
Inventors
Richard E. Lavengood
Allen R. Padwa
Alva F. Harris
Assignee (at issue)
Monsanto 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.