Granted Patent
Utility
US 4,310,183 · App. 06/097,779
Composite pipe coupling
Inventor:
Laszlo Szalvay
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Nov 28, 1979
Inventor
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.