Granted Patent
Utility
US 5,390,296 · App. 08/132,495
Method and apparatus for calculation with display data
Inventors:
Richard L. Crandall, Ellen R. Craw, James A. Lahey, Dorothy A. Lieffers, Patrick Miller
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Oct 6, 1993
Inventors
Richard L. Crandall
Ellen R. Craw
James A. Lahey
Dorothy A. Lieffers
Patrick Miller
Assignee (at issue)
Comshare Incorporated
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.