Granted Patent
Utility
US 5,358,991 · App. 08/091,977
Flame retarded polyethylene wire insulations
Inventor:
Douglas O'Brien
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Jul 15, 1993
Inventor
Douglas O'Brien
Assignee (at issue)
Belden Wire & Cable 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.