Granted Patent
Utility
US 5,284,998 · App. 08/054,694
Drum and process for handling drum liners
Inventors:
William Lima, Earl V. Lind, Philip D. Bartlett
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Apr 29, 1993
Inventors
William Lima
Earl V. Lind
Philip D. Bartlett
Assignee (at issue)
Russell-Stanley 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.