Granted Patent
Utility
US 5,480,587 · App. 07/287,070
Materials for use as fire retardant additives
Inventors:
Lawrence L. Musselman, Howard L. Greene
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Dec 21, 1988
Inventors
Lawrence L. Musselman
Howard L. Greene
Assignee (at issue)
Aluminum Company of America
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.