Granted Patent
Utility
US 5,318,201 · App. 08/047,710
Apparatus for agitating cigarette filters in a filter hopper
Inventors:
Byron L. Lowe, Robert L. Grizzard
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Apr 14, 1993
Inventors
Byron L. Lowe
Robert L. Grizzard
Assignee (at issue)
Brown & Williamson Tobacco Corporation
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.