Granted Patent
Utility
US 4,514,727 · App. 06/392,675
Automatic brightness control apparatus
Inventor:
Joel C. Van Antwerp
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Jun 28, 1982
Inventor
Joel C. Van Antwerp
Assignee (at issue)
TRW Limited
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.