Granted Patent
Utility
US 5,219,186 · App. 07/798,537
Tube union
Inventors:
Amir P. Hosseinian, John L. Binford
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Nov 26, 1991
Inventors
Amir P. Hosseinian
John L. Binford
Assignee (at issue)
Sierracin 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.