Granted Patent
Utility
US 4,708,560 · App. 06/766,790
Bookbinding method using strips
Inventors:
William H. Abildgaard, Karl Hymmen
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Aug 19, 1985
Inventors
William H. Abildgaard
Karl Hymmen
Assignee (at issue)
VeloBind, 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.