Granted Patent
Utility
US 6,123,447 · App. 09/186,964
Blending trolley for forming vertical columns of tobacco in an intermediate reservoir
Inventor:
Fritz Schelhorn
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Nov 5, 1998
Inventor
Fritz Schelhorn
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.