Granted Patent
Utility
US 5,895,463 · App. 08/859,022
Compression of grouped data
Inventors:
William Dowling, Anatoly Kotlarsky
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: May 20, 1997
Inventors
William Dowling
Anatoly Kotlarsky
Assignee (at issue)
Franklin Electronic Publishers, 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.