Granted Patent
Utility
US 5,617,682 · App. 08/474,514
Insulated skylight panel
Inventor:
Michael E. Christopher
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Jun 7, 1995
Inventor
Michael E. Christopher
Assignee (at issue)
Texas Aluminum Industries, 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.