Granted Patent
Utility
US 6,629,336 · App. 10/174,704
Original pressing plate hinge
Inventors:
Hiroaki Hosaka, Hirofumi Kohda
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Jun 19, 2002
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.