Granted Patent
Utility
US 4,548,636 · App. 06/627,532
Process for producing a flat glass on a molten metal bath
Inventors:
Koji Nomaki, Hiroshi Mase, Yasuo Sato, Motoichi Iga
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Jul 3, 1984
Inventors
Koji Nomaki
Hiroshi Mase
Yasuo Sato
Motoichi Iga
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.