Granted Patent
Utility
US 6,594,854 · App. 09/526,866
Wiper device having wiper blade easily attachable to and detachable from wiper arm
Inventors:
Hiroshi Matsumoto, Masami Muramatsu
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Mar 16, 2000
Inventors
Hiroshi Matsumoto
Masami Muramatsu
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.