Granted Patent
Utility
US 6,689,978 · App. 10/041,374
Closure lining and color detector
Inventors:
Gerald M. Gresko, Daniel L. Brant
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Jan 8, 2002
Inventors
Gerald M. Gresko
Daniel L. Brant
Assignee (at issue)
Crown Cork & Seal Technologies Corporation
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.