Granted Patent
Utility
US 6,066,992 · App. 09/132,994
Variable ISO attenuator using absorptive/reflective elements and latching
Inventors:
Tarek C. Sadaka, Christopher Jacobsen, Ralf R. Ihmels
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Aug 12, 1998
Inventors
Tarek C. Sadaka
Christopher Jacobsen
Ralf R. Ihmels
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.