Granted Patent
Utility
US 5,975,090 · App. 09/163,024
Ion emitting grooming brush
Inventors:
Charles E. Taylor, Shek Fai Lau
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Sep 29, 1998
Inventors
Charles E. Taylor
Shek Fai Lau
Assignee (at issue)
Sharper Image Corp.
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.