IP Library › Granted Patent US 4,269,494
Granted Patent Utility
US 4,269,494 · App. 05/924,010

Battery level warning device

Inventors: Kazuo Shiozawa, Michio Yagi, Kijiro Suzuki, Kazuhisa Aratame, Ryushi Shimokawa, Haruji Ishihara
Patented Case View Patent ↗
Granted: May 26, 1981 Filed: Jul 12, 1978
Inventors
Kazuo Shiozawa
Michio Yagi
Kijiro Suzuki
Kazuhisa Aratame
Ryushi Shimokawa
Haruji Ishihara

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Quick Facts
Patent No.
US 4,269,494
App. No.
05/924,010
Filed
1978-07-12
Granted
1981-05-26
Kind
A