Granted Patent
Utility
US 6,364,171 · App. 09/792,016
Articulated trigger/cover unit for a pump dispenser
Inventors:
William E. Chalupsky, Wing-Kwong Keung, Kenneth S. Bloom, Ruixin Fan, George R. Trepina, Timothy B. Kowal, Richard C. Sayers, Gennaro R. Martire, Richard D. Lohrman
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Feb 21, 2001
Inventors
William E. Chalupsky
Wing-Kwong Keung
Kenneth S. Bloom
Ruixin Fan
George R. Trepina
Timothy B. Kowal
Richard C. Sayers
Gennaro R. Martire
Richard D. Lohrman
Assignee (at issue)
Owens-Illinois Closure 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.