Granted Patent
Utility
US 4,963,994 · App. 07/484,175
VCR programmer
Inventor:
Michael R. Levine
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Feb 23, 1990
Inventor
Michael R. Levine
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.