Granted Patent
Utility
US 5,997,049 · App. 08/920,373
Adjustable leak-tight coupling system
Inventors:
Kenji A. Kingsford, Peter N. Nguyen
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Aug 29, 1997
Inventors
Kenji A. Kingsford
Peter N. Nguyen
Assignee (at issue)
Furon Company
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.