Granted Patent
Utility
US 5,163,314 · App. 07/817,947
Temperature compensated methods for detection of leaks in pressurized pipeline systems using gas controlled apparatus
Inventors:
Joseph W. Maresca, Jr., James W. Starr, Christopher P. Wilson
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Jan 3, 1992
Inventors
Joseph W. Maresca, Jr.
James W. Starr
Christopher P. Wilson
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.