Granted Patent
Utility
US 5,191,442 · App. 07/515,742
Apparatus for scanning a document
Inventors:
Assa Bar-Lev, Bryan Corrigan, Daniel A. Ferrara, Jr., Robert W. Sengstaken, Jr.
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Apr 26, 1990
Inventors
Assa Bar-Lev
Bryan Corrigan
Daniel A. Ferrara, Jr.
Robert W. Sengstaken, Jr.
Assignee (at issue)
ECRM 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.