Granted Patent
Utility
US 4,514,671 · App. 06/364,963
Head scanning servo system in a recording and/or reproducing apparatus
Inventor:
Kenneth Louth
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Apr 2, 1982
Inventor
Kenneth Louth
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.