Granted Patent
Utility
US 6,319,099 · App. 09/447,573
Apparatus and method for feeding slurry
Inventors:
Akihiro Tanoue, Yoshiharu Hidaka, Shin Hashimoto
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Nov 23, 1999
Inventors
Akihiro Tanoue
Yoshiharu Hidaka
Shin Hashimoto
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.