Granted Patent
Utility
US 4,334,173 · App. 06/189,252
Horizontal width control circuit for image display apparatus
Inventors:
Melvin E. Gabriel, Joseph M. Van Baalen
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Sep 22, 1980
Inventors
Melvin E. Gabriel
Joseph M. Van Baalen
Assignee (at issue)
Zenith Radio Corporation
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.