Granted Patent
Utility
US 4,703,592 · App. 06/839,419
Skylight sealing
Inventors:
Robert Sampson, Sean Flanigan
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Mar 14, 1986
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.