Granted Patent
Utility
US 5,452,048 · App. 08/183,643
Middle curtain flash
Inventor:
Albert D. Edgar
Patented Case
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Granted: Sep 19, 1995
Filed: Jan 19, 1994
Inventor
Albert D. Edgar
Assignee (at issue)
International Business Machines 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.