Granted Patent
Utility
US 6,763,948 · App. 10/062,592
Screening machine with acceleration modification
Inventors:
Brady P. Ballman, Daniel J. Ferris, III, Stephen C. Mitchell, Jeff Pielage, Anthony Joseph Yanka
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jan 31, 2002
Inventors
Brady P. Ballman
Daniel J. Ferris, III
Stephen C. Mitchell
Jeff Pielage
Anthony Joseph Yanka
Assignee (at issue)
ROTEX, 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.