Granted Patent
Utility
US 6,072,691 · App. 08/991,777
Electric double layer capacitor and an assembled cell type power source device
Inventors:
Manabu Suhara, Kazuya Hiratsuka, Takeshi Kawasato, Manabu Tsushima
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Dec 16, 1997
Inventors
Manabu Suhara
Kazuya Hiratsuka
Takeshi Kawasato
Manabu Tsushima
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.