Granted Patent
Utility
US 4,773,531 · App. 07/065,547
Cigarette carton with package separator and package spacer therefor
Inventors:
Thomas T. Tudor, Chris P. Radley
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Jun 24, 1987
Inventors
Thomas T. Tudor
Chris P. Radley
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.