Granted Patent
Utility
US 6,445,974 · App. 09/473,772
CAD-neutral application programming interface
Inventors:
Jim M Malaugh, David Croom
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 29, 1999
Inventors
Jim M Malaugh
David Croom
Assignee (at issue)
Intergraph Corporation
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.