Granted Patent
Utility
US 4,876,134 · App. 07/105,071
Laminated panel having a stainless steel foil core and a process for producing the panel
Inventors:
Yoshiro Saitoh, Takashi Tatsumi
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Oct 5, 1987
Inventors
Yoshiro Saitoh
Takashi Tatsumi
Assignee (at issue)
Ciba-Geigy
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.