Granted Patent
Utility
US 5,114,191 · App. 07/573,345
Pipe fitting with coupling body and improved isolation tooth arrangement
Inventor:
Sohel A. Sareshwala
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Aug 24, 1990
Inventor
Sohel A. Sareshwala
Assignee (at issue)
Lokring Corporation
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.