Granted Patent
Utility
US 5,865,335 · App. 08/978,556
Easy-open closure
Inventors:
Christopher John Farrell, Les Kaffko, Guy Richards
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Nov 26, 1997
Inventors
Christopher John Farrell
Les Kaffko
Guy Richards
Assignee (at issue)
American National Can 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.