Granted Patent
Utility
US 6,566,420 · App. 09/481,709
EPDM rocket motor insulation
Inventors:
David G. Guillot, Albert R. Harvey
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jan 12, 2000
Inventors
David G. Guillot
Albert R. Harvey
Assignee (at issue)
Alliant Techsystems 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.