Granted Patent
Utility
US 6,062,956 · App. 09/185,525
Rotatable blast cleaning conveying surface and apparatus
Inventor:
Charles P. Elliott
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Nov 4, 1998
Inventor
Charles P. Elliott
Assignee (at issue)
U.S. Filter/Wheelabrator (Canada) 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.