Granted Patent
Utility
US 6,253,413 · App. 09/246,455
Pressure pad and cylinder cleaning apparatus
Inventors:
Hiraku Onuma, Tomokatsu Mukae, Takayuku Goto
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Feb 9, 1999
Inventors
Hiraku Onuma
Tomokatsu Mukae
Takayuku Goto
Assignee (at issue)
Baldwin-Japan 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.