Granted Patent
Utility
US 4,546,387 · App. 06/439,227
Circuit for providing accurately spaced video and sound carriers
Inventor:
Joseph B. Glaab
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Nov 4, 1982
Inventor
Joseph B. Glaab
Assignee (at issue)
General Instrument 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.