Granted Patent
Utility
US 4,647,713 · App. 06/664,649
Pressurized telecommunication cable joint closure method and apparatus
Inventors:
Jacob de Nijs, John Riley Hawkins, William H. Fuller
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Oct 25, 1984
Inventors
Jacob de Nijs
John Riley Hawkins
William H. Fuller
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.