Granted Patent
Utility
US 4,337,419 · App. 06/136,230
Analog geometry corrector for television camera image tubes
Inventor:
James R. Holzgrafe
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Apr 1, 1980
Inventor
James R. Holzgrafe
Assignee (at issue)
Ampex 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.