Granted Patent
Utility
US 4,338,630 · App. 06/216,451
One-chip chroma/luma IC: D.C. coupling reduction circuit
Inventors:
Christopher M. Engel, George J. Tzakis
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Dec 15, 1980
Inventors
Christopher M. Engel
George J. Tzakis
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.