Granted Patent
Utility
US 5,215,796 · App. 07/887,724
Multilayer polymeric shaped article
Inventors:
Brett Mueller, Larry W. Higgins
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: May 22, 1992
Inventors
Brett Mueller
Larry W. Higgins
Assignee (at issue)
Aqua Glass 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.