Granted Patent
Utility
US 6,047,854 · App. 08/805,413
Bead dispersement devices
Inventors:
Robert R. Demers, Satyam Choudary Cherukuri
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Feb 26, 1997
Inventors
Robert R. Demers
Satyam Choudary Cherukuri
Assignee (at issue)
Sarnoff 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.