Granted Patent
Utility
US 5,415,033 · App. 08/170,092
Simplified apparatus for detection of leaks in pressurized pipelines
Inventors:
Joseph W. Maresca, Jr., James W. Starr, Christopher P. Wilson, Richard F. Wise
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Dec 17, 1993
Inventors
Joseph W. Maresca, Jr.
James W. Starr
Christopher P. Wilson
Richard F. Wise
Assignee (at issue)
VISTA RESEARCH GROUP, LLC
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.