Granted Patent
Utility
US 4,611,280 · App. 06/588,231
Sorting method
Inventor:
John LINDERMAN
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Mar 12, 1984
Inventor
John LINDERMAN
Assignee (at issue)
AT&T Bell Laboratories
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.