Granted Patent
Utility
US 5,678,484 · App. 08/435,006
Anti-wrap device for a web press
Inventors:
Ronald Callan, Michael Gregory, Steven Drensky
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: May 4, 1995
Inventors
Ronald Callan
Michael Gregory
Steven Drensky
Assignee (at issue)
Baldwin WEb Controls
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.