Granted Patent
Utility
US 5,902,140 · App. 08/939,320
Child-safe power strip
Inventors:
Samuel Cheung, Leny Heung
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Oct 1, 1997
Inventors
Samuel Cheung
Leny Heung
Assignee (at issue)
Recoton Corporation
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.