Granted Patent
Utility
US 6,328,316 · App. 09/481,320
Rubber seal for semi-dynamic applications
Inventors:
Shuzo Fukuhara, John Michael Legare
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Jan 11, 2000
Inventors
Shuzo Fukuhara
John Michael Legare
Assignee (at issue)
DUPONT DOW ELASTOMERS, LLC
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.