Granted Patent
Utility
US 6,352,162 · App. 09/626,174
Interlocking bookends
Inventors:
John Sung Heup Yang, Dale Eick
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Jul 27, 2000
Inventors
John Sung Heup Yang
Dale Eick
Assignee (at issue)
Block, 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.