Granted Patent
Utility
US 5,197,686 · App. 07/559,070
Spool storage rack with removable supporting partitions
Inventors:
Yozo Okada, Akiyoshi Kando, Kazuki Kuse
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Jul 30, 1990
Inventors
Yozo Okada
Akiyoshi Kando
Kazuki Kuse
Assignee (at issue)
Yoshida Kogyo K.K.
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.