Granted Patent
Utility
US 5,979,902 · App. 08/925,422
Cavity sealing article and method
Inventors:
Rong J. Chang, Keith Dawes
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Sep 8, 1997
Inventors
Rong J. Chang
Keith Dawes
Assignee (at issue)
Raychem Limited
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.