Granted Patent
Utility
US 6,221,451 · App. 09/275,488
Synthetic closure
Inventors:
Eduardo Lauer, Michael W. Allman
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Mar 24, 1999
Inventors
Eduardo Lauer
Michael W. Allman
Assignee (at issue)
Nomacorc LLC
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.