Granted Patent
Utility
US 5,222,620 · App. 07/918,939
Drum liner locking and locating assembly
Inventors:
William Lima, Earl V. Lind
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Jul 22, 1992
Inventors
William Lima
Earl V. Lind
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.