Granted Patent
Utility
US 6,311,745 · App. 09/587,391
Systems and methods for dispensing powders
Inventors:
Roger D. Welch, Roman S. Kulik
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Jun 5, 2000
Inventors
Roger D. Welch
Roman S. Kulik
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.