Granted Patent
Utility
US 6,420,475 · App. 09/274,498
Tear resistant elastic crystal gels gel composites and their uses
Inventor:
John Y. Chen
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Mar 28, 1999
Inventor
John Y. Chen
Assignee (at issue)
Applied Elastomerics, Inc.
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.