Granted Patent
Utility
US 5,409,774 · App. 08/082,892
HCFC resistant ABS composite
Inventors:
Craig Pehlert, Paul J. Drenzek, Glenn B. Hilton
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Jul 1, 1993
Inventors
Craig Pehlert
Paul J. Drenzek
Glenn B. Hilton
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.