Granted Patent
Utility
US 6,652,433 · App. 09/557,411
Oil application roller for use in an image-forming apparatus
Inventors:
Youichi Ishikawa, Kazuhiko Serizawa
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Apr 21, 2000
Inventors
Youichi Ishikawa
Kazuhiko Serizawa
Assignees (at issue)
NITTO KOGYO CORPORATION
Hodaka Kogyo
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.