Granted Patent
Utility
US 4,667,809 · App. 06/706,972
Apparatus for aligning signatures
Inventor:
William B. Raybuck
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Mar 1, 1985
Inventor
William B. Raybuck
Assignee (at issue)
Trimmer Machine Co., 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.