Granted Patent
Utility
US 4,312,697 · App. 05/898,358
Brush assembly holding sleeves positioned on a container
Inventor:
Marshall G. Brummett
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Apr 21, 1978
Inventor
Marshall G. Brummett
Assignee (at issue)
Owens-Illinois 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.