Granted Patent
Utility
US 4,843,434 · App. 07/122,146
Random access sheet receiver
Inventors:
Frederick J. Lawrence, George M. Cron
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Nov 17, 1987
Inventors
Frederick J. Lawrence
George M. Cron
Assignee (at issue)
Gradco Systems, 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.