Granted Patent
Utility
US 6,352,204 · App. 09/366,414
Optical symbol scanner with low angle illumination
Inventors:
John R. Hattersley, Francis O. Blackwell, III
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Aug 4, 1999
Inventors
John R. Hattersley
Francis O. Blackwell, III
Assignee (at issue)
Industrial Data Entry Automation Systems Incorporated
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.