Granted Patent
Utility
US 6,580,428 · App. 09/317,541
Method and system for identifying peripheral elements of a complex model
Inventors:
Kevin M. Ryan, Serge Elnitsky
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: May 24, 1999
Inventors
Kevin M. Ryan
Serge Elnitsky
Assignee (at issue)
Parametric Technology 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.