Granted Patent
Utility
US 5,664,665 · App. 08/617,576
Shock sensor
Inventors:
Tatsuo Kobayashi, Kiyotaka Nakamura, Hisaharu Matsueda, Kayoko Makiki, Isamu Hamazaki, Kazuya Watanabe
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Mar 19, 1996
Inventors
Tatsuo Kobayashi
Kiyotaka Nakamura
Hisaharu Matsueda
Kayoko Makiki
Isamu Hamazaki
Kazuya Watanabe
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.