Granted Patent
Utility
US 5,148,643 · App. 07/545,516
Skylight construction
Inventors:
Robert Sampson, Sean Flanigan
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Jun 28, 1990
Inventors
Robert Sampson
Sean Flanigan
Assignee (at issue)
Wasco Products, 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.