Granted Patent
Utility
US 4,273,045 · App. 06/059,515
Printing machine registration target
Inventor:
Bucky Crowley
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Jul 23, 1979
Inventor
Bucky Crowley
Assignee (at issue)
Butler Greenwich Inc.
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.