Granted Patent
Utility
US 4,359,941 · App. 06/208,435
Chucking means for printing form plates
Inventor:
Werner Fels
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Nov 19, 1980
Inventor
Werner Fels
Assignee (at issue)
Dr. Ing. Rudolf Hell GmbH
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.