Granted Patent
Utility
US 6,589,656 · App. 09/911,545
Epoxy resin composition, prepreg and metal-clad laminate
Inventors:
Tetsuya Maekawa, Takao Hayashi, Takeshi Yoshimura, Eiichiro Saito, Kiyotaka Komori
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Jul 25, 2001
Inventors
Tetsuya Maekawa
Takao Hayashi
Takeshi Yoshimura
Eiichiro Saito
Kiyotaka Komori
Assignee (at issue)
Matsushita Electric Works, 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.