Granted Patent
Utility
US 6,545,704 · App. 09/348,517
Video pipe inspection distance measuring system
Inventors:
Mark S. Olsson, David A. Cox, Bradley D. Barnicoat
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jul 7, 1999
Inventors
Mark S. Olsson
David A. Cox
Bradley D. Barnicoat
Assignee (at issue)
DEEPSEA POWER & LIGHT 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.