Granted Patent
Utility
US 6,223,397 · App. 09/503,584
Stackable ergonomic handle
Inventors:
Roger M. Prevot, Crawford Lyons, Donald Inman
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Feb 14, 2000
Inventors
Roger M. Prevot
Crawford Lyons
Donald Inman
Assignee (at issue)
GRAHAM PACKAGING COMPANY, L.P.
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.