Granted Patent
Utility
US 6,472,061 · App. 09/832,207
Moisture control construction material
Inventors:
Makoto Kotama, Hiroshi Fukumizu, Yukio Matsumoto, Masanari Toyama, Katsumi Yamamoto, Mitsunori Endo
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Apr 11, 2001
Inventors
Makoto Kotama
Hiroshi Fukumizu
Yukio Matsumoto
Masanari Toyama
Katsumi Yamamoto
Mitsunori Endo
Assignee (at issue)
Inax 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.