Granted Patent
Utility
US 4,896,468 · App. 07/094,870
Skylight sealing
Inventors:
Robert Sampson, Sean Flanigan
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Sep 10, 1987
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.