Granted Patent
Utility
US 5,702,252 · App. 08/396,758
Thermally stabilized casting core
Inventors:
Dan P. Rogers, Edward F. Smith, III
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Mar 1, 1995
Inventors
Dan P. Rogers
Edward F. Smith, III
Assignee (at issue)
Implant Innovations, Inc.
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.