Granted Patent
Utility
US 4,596,134 · App. 06/740,162
Method and apparatus for simulating smoking through cigarette filter tips to determine percentage of collapse
Inventor:
Charles H. Weatherly
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Jun 3, 1985
Inventor
Charles H. Weatherly
Assignee (at issue)
EASTMAN KODAK COMPANY
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.