Granted Patent
Utility
US 5,121,644 · App. 07/654,751
Deploying cables in pipelines
Inventors:
Alan C. Grey, John L. Stokes
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Feb 13, 1991
Inventors
Alan C. Grey
John L. Stokes
Assignee (at issue)
STC PLC
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.