Granted Patent
Utility
US 4,938,730 · App. 07/204,505
Toy house with magnetically actuated light
Inventors:
Yuji Yamane, Hideya Nishikawa, Tetsuya Joja
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Jun 9, 1988
Inventors
Yuji Yamane
Hideya Nishikawa
Tetsuya Joja
Assignee (at issue)
Tomy 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.