Granted Patent
Utility
US 6,073,979 · App. 08/958,904
Adjustable clamp and force level indicator for screening machine cover
Inventors:
Christopher J. Nawalaniec, Brady P. Ballman
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Oct 28, 1997
Inventors
Christopher J. Nawalaniec
Brady P. Ballman
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.