Granted Patent
Utility
US 6,433,718 · App. 09/772,686
D/A conversion method and apparatus
Inventor:
Daniel Strinnholm
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jan 30, 2001
Inventor
Daniel Strinnholm
Assignee (at issue)
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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.