Granted Patent
Utility
US 5,459,310 · App. 08/238,117
Apparatus for sensing different attenuation windows within an optical scanner
Inventors:
Duanfeng He, Donald A. Collins, Jr., Daniel B. Seevers, Stephen J. Ames
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: May 4, 1994
Inventors
Duanfeng He
Donald A. Collins, Jr.
Daniel B. Seevers
Stephen J. Ames
Assignee (at issue)
AT&T Global Information Solutions Company
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.