Granted Patent
Utility
US 4,845,006 · App. 07/231,610
Toner and process for developing electrostatic latent images
Inventors:
Akitoshi Matsubara, Kiyoshi Tamaki
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Aug 11, 1988
Inventors
Akitoshi Matsubara
Kiyoshi Tamaki
Assignee (at issue)
Konishiroku Photo Industry 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.