Granted Patent
Utility
US 6,421,966 · App. 09/561,137
Sunshade for building exteriors
Inventors:
Richard Braunstein, Gregory Blake McKenna, David W. Hewitt, Randolph S. Harper
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Apr 28, 2000
Inventors
Richard Braunstein
Gregory Blake McKenna
David W. Hewitt
Randolph S. Harper
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.