Granted Patent
Utility
US 4,792,018 · App. 06/742,757
System for security processing of retailed articles
Inventors:
David R. Humble, David L. Gentzler, Steven J. Tilidetzke
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Jun 12, 1985
Inventors
David R. Humble
David L. Gentzler
Steven J. Tilidetzke
Assignee (at issue)
Checkrobot, Inc.
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.