Granted Patent
Utility
US 5,124,368 · App. 07/737,106
Pour-in-place flexible polyurethane foam articles
Inventors:
William A. Gill, Siusun K. Leung
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Jul 29, 1991
Inventors
William A. Gill
Siusun K. Leung
Assignee (at issue)
Arco Chemical Technology, L.P.
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.