Granted Patent
Utility
US 4,369,013 · App. 06/142,269
Bookbinding strips
Inventors:
William H. Abildgaard, Charles T. Groswith, III
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Apr 21, 1980
Inventors
William H. Abildgaard
Charles T. Groswith, III
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.