Granted Patent
Utility
US 4,098,609 · App. 05/805,260
Method of making improved photoconductive particles
Inventors:
Daniel R. Logue, Terry G. Anderson
Patented Case
View Patent ↗
Granted: Jul 4, 1978
Filed: Jun 10, 1977
Inventors
Daniel R. Logue
Terry G. Anderson
Assignee (at issue)
Bell and Howell, LLC
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.