Granted Patent
Utility
US 5,639,984 · App. 08/651,617
Infrared tracer compositions
Inventor:
Daniel B. Nielson
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: May 22, 1996
Inventor
Daniel B. Nielson
Assignee (at issue)
Thiokol 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.