Granted Patent
Utility
US 5,181,752 · App. 07/544,179
Pipe fitting with swage ring locking mechanism
Inventors:
Robert W. Benson, Mark J. Beiley, Sohel A. Sareshwala, Steven Thomas Croft, Jack M. Vaughn
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Jun 26, 1990
Inventors
Robert W. Benson
Mark J. Beiley
Sohel A. Sareshwala
Steven Thomas Croft
Jack M. Vaughn
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.