Granted Patent
Utility
US 6,655,413 · App. 09/832,917
Method and apparatus for pressure testing pipe lines
Inventors:
Duane R. Condon, Thomas L. Kendall, Larry D. Brown, Scott W. Randolph, Dennis L. Hart
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Apr 11, 2001
Inventors
Duane R. Condon
Thomas L. Kendall
Larry D. Brown
Scott W. Randolph
Dennis L. Hart
Assignee (at issue)
Securus, 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.