Granted Patent
Utility
US 5,986,908 · App. 09/067,424
Magnetic-coupling multivibrator
Inventors:
Katsunori Sugimori, Hiroshi Sakamoto, Koosuke Harada
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Apr 28, 1998
Inventors
Katsunori Sugimori
Hiroshi Sakamoto
Koosuke Harada
Assignee (at issue)
Nippon 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.