Granted Patent
Utility
US 6,037,239 · App. 08/841,494
Method for making a contact structure for a polysilicon filled trench isolation
Inventor:
Dean Jennings
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Apr 23, 1997
Inventor
Dean Jennings
Assignee (at issue)
Elantec, 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.