Granted Patent
Utility
US 6,742,285 · App. 10/352,010
Air knife and conveyor system
Inventor:
Robert R. Shepard
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Jan 27, 2003
Inventor
Robert R. Shepard
Assignee (at issue)
Glass Equipment Development, 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.