Granted Patent
Utility
US 5,113,258 · App. 07/506,080
Compensation circuit for the correction of image defects of a television image
Inventor:
Philippe Roth
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Apr 9, 1990
Inventor
Philippe Roth
Assignee (at issue)
Gretag Aktiengesellschaft
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.