Granted Patent
Utility
US 4,911,964 · App. 07/060,977
Exterior weather barrier for windows and doors
Inventors:
Thomas A. Corbo, S. Thomas Carrozza
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Jun 19, 1987
Inventors
Thomas A. Corbo
S. Thomas Carrozza
Assignee (at issue)
Manco, 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.