Granted Patent
Utility
US 6,648,945 · App. 09/958,020
Hollow yarn membrane module, potting agent therefor and method for deaeration of liquid chemicals
Inventors:
Satoshi Takeda, Osami Kato, Kenji Watari, Kenji Niikawa, Masamoto Uenishi, Hiroshi Tasaka
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 2, 2001
Inventors
Satoshi Takeda
Osami Kato
Kenji Watari
Kenji Niikawa
Masamoto Uenishi
Hiroshi Tasaka
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.