Granted Patent
Utility
US 6,050,871 · App. 08/909,487
Crystal gel airfoils with improved tear resistance and gel airfoils with profiles capable of exhibiting time delay recovery from deformation
Inventor:
John Y. Chen
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Aug 12, 1997
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.