Granted Patent
Utility
US 6,411,993 · App. 09/329,142
Interactive web book system with attribution and derivation features
Inventors:
Brian Reynolds, Richard S. Goldhor
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jun 9, 1999
Inventors
Brian Reynolds
Richard S. Goldhor
Assignee (at issue)
FAMILY SYSTEMS, LTD.
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.