Granted Patent
Utility
US 5,169,989 · App. 07/662,878
Foam slabstock polyether polyols with improved scorch characteristics
Inventors:
Alfred L. Peterson, Mark S. Solomon, Kenneth E. Reed, Edward P. Squiller
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Mar 1, 1991
Inventors
Alfred L. Peterson
Mark S. Solomon
Kenneth E. Reed
Edward P. Squiller
Assignee (at issue)
Miles Inc.
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.