Granted Patent
Utility
US 5,462,290 · App. 08/195,124
Seal means between a rotating cylinder and stationary chute
Inventor:
Royce L. Alday
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Feb 14, 1994
Inventor
Royce L. Alday
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.