Granted Patent
Utility
US 6,646,196 · App. 09/995,199
Window structure with photovoltaic panel
Inventors:
Steven Fronek, Thomas M. Mifflin
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Nov 26, 2001
Inventors
Steven Fronek
Thomas M. Mifflin
Assignee (at issue)
Apogee Enterprises, 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.