Granted Patent
Utility
US 4,600,653 · App. 06/686,997
Laminated safety glass
Inventors:
Hiroshi Washita, Kaoru Oguro
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Dec 27, 1984
Inventors
Hiroshi Washita
Kaoru Oguro
Assignee (at issue)
ASAHI GLASS CO., LTD.
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.