Granted Patent
Utility
US 5,815,415 · App. 08/612,622
Computer system for portable persistent modeling
Inventors:
Keith A. Bentley, Samuel W. Wilson, Earlin Lutz, James Bartlett, John Gooding
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Mar 6, 1996
Inventors
Keith A. Bentley
Samuel W. Wilson
Earlin Lutz
James Bartlett
John Gooding
Assignee (at issue)
Bentley Systems, 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.