Granted Patent
Utility
US 5,865,590 · App. 08/780,818
Dual pivot material handler
Inventor:
Mark W. Lilley
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jan 9, 1997
Inventor
Mark W. Lilley
Assignee (at issue)
Southworth Products 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.