Granted Patent
Utility
US 4,314,718 · App. 06/098,088
Tensile ring composite pipe coupling
Inventors:
Harry C. Broyles, Laszlo Szalvay
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Nov 28, 1979
Inventors
Harry C. Broyles
Laszlo Szalvay
Assignee (at issue)
Raychem Limited
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.