Granted Patent
Utility
US 6,002,297 · App. 09/015,304
Digital filter
Inventor:
Jos Scheelen
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Jan 29, 1998
Inventor
Jos Scheelen
Assignee (at issue)
British Technology Group Inter-Corporate Licensing
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.