Granted Patent
Utility
US 4,702,000 · App. 06/841,297
Technique for elimination of polysilicon stringers in direct moat field oxide structure
Inventors:
Dyer A. Matlock, Richard L. Lichtel, Jr., Lawrence G. Pearce
Patented Case
View Patent ↗
Granted: Oct 27, 1987
Filed: Mar 19, 1986
Inventors
Dyer A. Matlock
Richard L. Lichtel, Jr.
Lawrence G. Pearce
Assignee (at issue)
HARRIS CORPORATION
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.