Granted Patent
Utility
US 4,837,426 · App. 07/003,954
Object verification apparatus and method
Inventors:
Kevin J. Pease, Robert A. Copella, Ann M. Flannery
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Jan 16, 1987
Inventors
Kevin J. Pease
Robert A. Copella
Ann M. Flannery
Assignee (at issue)
Rand McNally & Company
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.