Granted Patent
Utility
US 5,131,646 · App. 07/746,845
Printing press with movable fly
Inventor:
Frank A. Balow
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: Aug 19, 1991
Inventor
Frank A. Balow
Assignee (at issue)
Rockwell International 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.