Granted Patent
Utility
US 6,144,512 · App. 06/581,775
Dynamic filter structures
Inventor:
Dayton D. Eden
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Feb 21, 1984
Inventor
Dayton D. Eden
Assignee (at issue)
LOCKHEED MARTIN 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.