Granted Patent
Utility
US 5,778,715 · App. 08/744,106
Cold rolling positioning roller assembly
Inventors:
Sandra M. Lippka, James O. Williams
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Nov 5, 1996
Inventors
Sandra M. Lippka
James O. Williams
Assignee (at issue)
Grinnell LLC
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.