Granted Patent
Utility
US 5,642,979 · App. 08/591,216
Roll handling apparatus for fork lift trucks
Inventors:
Ralph E. Cullen, John Sjolund
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Jan 17, 1996
Inventors
Ralph E. Cullen
John Sjolund
Assignee (at issue)
NRS Systems
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.