Granted Patent
Utility
US 5,472,987 · App. 07/720,647
Surfactant composition for flexible polyurethane foam
Inventors:
James D. Reedy, Richard T. Robertson
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Jun 25, 1991
Inventors
James D. Reedy
Richard T. Robertson
Assignee (at issue)
OSI Specialties, 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.