Granted Patent
Utility
US 5,129,541 · App. 07/710,165
Easy open ecology end for cans
Inventors:
Lee R. W. Voigt, Jeffrey A. Dobrzynski
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Jun 4, 1991
Inventors
Lee R. W. Voigt
Jeffrey A. Dobrzynski
Assignee (at issue)
Buhrke Industries, 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.