Granted Patent
Utility
US 5,893,244 · App. 08/786,553
Self-sealing framing system for buildings
Inventor:
Robert D. Magoon
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Jan 21, 1997
Inventor
Robert D. Magoon
Assignee (at issue)
Kawneer Company 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.