Granted Patent
Utility
US 6,000,416 · App. 08/868,639
Compact valve with rolling diaphragm poppet
Inventors:
Kenji A. Kingsford, Anthony K. Chan, Mario Fregoso, David Martinez
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Jun 4, 1997
Inventors
Kenji A. Kingsford
Anthony K. Chan
Mario Fregoso
David Martinez
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.