Granted Patent
Utility
US 6,211,908 · App. 09/320,978
Television apparatus with supplementary kinescope blanking and spot burn protection circuitry
Inventor:
Dal Frank Griepentrog
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: May 27, 1999
Inventor
Dal Frank Griepentrog
Assignee (at issue)
Thomson Multimedia Licensing, Inc.
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.