Granted Patent
Utility
US 6,257,440 · App. 09/288,590
Container handle and related methods
Inventors:
Ralph G. Perkins, Frano Luburic, Josef Bingisser, Norris B. McLean
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Apr 8, 1999
Inventors
Ralph G. Perkins
Frano Luburic
Josef Bingisser
Norris B. McLean
Assignee (at issue)
Ropak 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.