Granted Patent
Utility
US 4,864,078 · App. 07/191,533
Activation kits for presets
Inventor:
Timothy S. Bowman
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: May 9, 1988
Inventor
Timothy S. Bowman
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.