Granted Patent
Utility
US 6,568,138 · App. 09/568,634
Framing system and related framing section assembly
Inventors:
Gordon Frost, Steven L. Kilmer, John Reed
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: May 10, 2000
Inventors
Gordon Frost
Steven L. Kilmer
John Reed
Assignee (at issue)
Exterior Systems, 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.