Granted Patent
Utility
US 6,710,001 · App. 09/917,656
Porous sintered body
Inventors:
Osamu Watanabe, Shuji Kawai
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Jul 31, 2001
Inventors
Osamu Watanabe
Shuji Kawai
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.