Granted Patent
Utility
US 5,697,194 · App. 08/666,649
Modular seal assembly for a wall opening
Inventors:
Robert J. Gignac, Edward L. Kwiatkowski, Carl Griffiths
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jun 18, 1996
Inventors
Robert J. Gignac
Edward L. Kwiatkowski
Carl Griffiths
Assignee (at issue)
PSI Telecommunications, 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.