Granted Patent
Utility
US 6,714,028 · App. 10/282,350
Roller contact with conductive brushes
Inventors:
Douglas J. Garcia, Drew R. Verkade
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Oct 28, 2002
Inventors
Douglas J. Garcia
Drew R. Verkade
Assignee (at issue)
Electro Scientific Industries, Inc.
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.