Granted Patent
Utility
US 5,819,306 · App. 08/808,714
Shadow mechanism for a modifiable object oriented system
Inventors:
Phillip Y. Goldman, Andrew J. Hertzfeld
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Feb 28, 1997
Inventors
Phillip Y. Goldman
Andrew J. Hertzfeld
Assignee (at issue)
General Magic
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.