Granted Patent
Utility
US 5,161,845 · App. 07/697,875
Lifting and handling device for drums
Inventor:
Herbert L. Carpenter, Jr.
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: May 9, 1991
Inventor
Herbert L. Carpenter, Jr.
Assignee (at issue)
Greif Bros. 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.