Granted Patent
Utility
US 5,667,927 · App. 08/605,962
Toner for electrophotography and process for the production thereof
Inventors:
Hideyuki Kubota, Eiichi Ozeki
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Feb 23, 1996
Inventors
Hideyuki Kubota
Eiichi Ozeki
Assignees (at issue)
SHIMADZU CORPORATION
Tomoeagawa Paper 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.