Granted Patent
Utility
US 6,237,912 · App. 09/257,749
Signature slow-down unit of folding machine
Inventors:
Mikio Motooka, Isamu Mitamura
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Feb 25, 1999
Inventors
Mikio Motooka
Isamu Mitamura
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.