Granted Patent
Utility
US 4,999,677 · App. 07/306,062
Imaging system with rigidizer
Inventors:
Benzion Landa, Paul Fenster
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Feb 6, 1989
Inventors
Benzion Landa
Paul Fenster
Assignee (at issue)
Spectrum Sciences B.V.
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.