Granted Patent
Utility
US 5,885,392 · App. 08/869,163
Method of bonding end caps to pleated filter elements
Inventor:
Robert S. Mules
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jun 4, 1997
Inventor
Robert S. Mules
Assignee (at issue)
AlliedSignal, 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.