Granted Patent
Utility
US 5,494,618 · App. 08/266,829
Increasing the useful range of cationic photoinitiators in stereolithography
Inventors:
Eugene Sitzmann, Russell F. Anderson, Darryl K. Barnes
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Jun 27, 1994
Inventors
Eugene Sitzmann
Russell F. Anderson
Darryl K. Barnes
Assignee (at issue)
AlliedSignal, 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.