Granted Patent
Utility
US 4,828,346 · App. 06/785,626
Transparent article having high visible transmittance
Inventors:
Donald Jacobsen, Roy L. Bernardi, Francis W. Ryan
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Oct 8, 1985
Inventors
Donald Jacobsen
Roy L. Bernardi
Francis W. Ryan
Assignee (at issue)
The BOC Group Limited
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.