Granted Patent
Utility
US 6,444,984 · App. 09/637,383
Solid cryogenic optical filter
Inventors:
Mark A. Lundgren, Carl Frederick Dadson
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Aug 11, 2000
Inventors
Mark A. Lundgren
Carl Frederick Dadson
Assignee (at issue)
DRS Sensors & Targeting Systems, 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.