Granted Patent
Utility
US 4,282,113 · App. 06/083,286
Black smoke generator
Inventor:
Leo R. Kiley
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Oct 10, 1979
Inventor
Leo R. Kiley
Assignee (at issue)
Teledyne Industries, 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.