Granted Patent
Utility
US 4,695,730 · App. 06/769,793
Local radiation exposure alarm apparatus
Inventors:
Kimio Noda, Kiyoshi Ozeki, Hiroaki Furukawa, Katsunori Watai
Patented Case
View Patent ↗
Granted: Sep 22, 1987
Filed: Aug 26, 1985
Inventors
Kimio Noda
Kiyoshi Ozeki
Hiroaki Furukawa
Katsunori Watai
Assignees (at issue)
Doryokuro Kakunenryo Kaihatsu Jigyodan
Ohyo Koken Kogyo 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.