Granted Patent
Utility
US 5,747,730 · App. 08/663,009
Pyrotechnic method of generating a particulate-free, non-toxic odorless and colorless gas
Inventors:
Robert S. Scheffee, Robert Thibodeau, Brian K. Wheatley
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Jun 7, 1996
Inventors
Robert S. Scheffee
Robert Thibodeau
Brian K. Wheatley
Assignee (at issue)
Atlantic Research Group LLC
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.