Granted Patent
Utility
US 4,407,454 · App. 06/277,996
Spray system
Inventor:
Billy Massey
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jun 26, 1981
Inventor
Billy Massey
Assignee (at issue)
Whitmine Research Laboratories, 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.