Granted Patent
Utility
US 6,632,907 · App. 09/674,265
Process for producing methacrylic polymer
Inventors:
Hirotoshi Mizota, Shigeaki Sasaki, Tomonari Murakami, Kouzi Ishizaka
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Oct 30, 2000
Inventors
Hirotoshi Mizota
Shigeaki Sasaki
Tomonari Murakami
Kouzi Ishizaka
Assignee (at issue)
MITSUBISHI ELECTRIC 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.