Granted Patent
Utility
US 6,415,477 · App. 09/456,578
Original pressing plate hinge
Inventors:
Hiroaki Hosaka, Hirofumi Kohda
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Dec 8, 1999
Inventors
Hiroaki Hosaka
Hirofumi Kohda
Assignee (at issue)
Katoh Electrical Machinery Co., Ltd.
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.