Granted Patent
Utility
US 6,540,947 · App. 09/749,573
Bi-chromal ball production apparatus and method
Inventors:
Dennis Martell, Nicholas K. Sheridan, Joseph M. Crowley, Matthew E. Howard, Michelle Remus
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Dec 28, 2000
Inventors
Dennis Martell
Nicholas K. Sheridan
Joseph M. Crowley
Matthew E. Howard
Michelle Remus
Assignee (at issue)
Xerox Corporation
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.