Granted Patent
Utility
US 6,779,856 · App. 10/080,003
Counterbalanced door system for a storage cabinet
Inventors:
Timothy G. Hornberger, Karl Koehler, Dennis G. Griepentrog
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Feb 21, 2002
Inventors
Timothy G. Hornberger
Karl Koehler
Dennis G. Griepentrog
Assignee (at issue)
KRUEGER INTERNATIONAL, 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.