Granted Patent
Utility
US 4,528,995 · App. 06/541,752
Sealed pneumatic tobacco conveying and treating apparatus
Inventors:
Kevin R. Korte, Richard D. Falter
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Oct 13, 1983
Inventors
Kevin R. Korte
Richard D. Falter
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.