Granted Patent
Utility
US 4,238,263 · App. 05/947,519
Edge sealing of laminate
Inventor:
Lewis C. LoMaglio
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Oct 2, 1978
Inventor
Lewis C. LoMaglio
Assignee (at issue)
Ethyl 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.