Granted Patent
Utility
US 5,662,448 · App. 08/526,752
Method and apparatus for registering a cover with a book block
Inventors:
William T. Graushar, Calvin L. Wade
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Sep 11, 1995
Inventors
William T. Graushar
Calvin L. Wade
Assignee (at issue)
QuadTech, 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.