Granted Patent
Utility
US 6,343,403 · App. 09/352,944
Wiper device, and method of manufacturing hollow frame for wiper device
Inventor:
Keisuke Kanazawa
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Jul 14, 1999
Inventor
Keisuke Kanazawa
Assignee (at issue)
ASMO 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.