Granted Patent
Utility
US 4,284,610 · App. 06/022,251
BN Bonded BN fiber article and method of manufacture
Inventor:
Robert S. Hamilton
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Mar 20, 1979
Inventor
Robert S. Hamilton
Assignee (at issue)
Kennecott Holdings 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.