Granted Patent
Utility
US 6,716,909 · App. 09/944,199
Water-borne coating composition and method of forming multilayer coating film
Inventors:
Tsuyoshi Harakawa, Masaru Murayama, Shinnji Seo, Naohiro Tsuji
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Sep 4, 2001
Inventors
Tsuyoshi Harakawa
Masaru Murayama
Shinnji Seo
Naohiro Tsuji
Assignee (at issue)
NIPPON PAINT HOLDINGS 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.