Granted Patent
Utility
US 6,494,059 · App. 10/082,509
Receiver tank for use in refrigeration cycle, heat exchanger with said receiver tank, and condensing apparatus for use in refrigeration cycle
Inventors:
Keiji Yamazaki, Yoshihiko Seno, Osamu Kamoshida, Yasuhiro Takahashi
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Oct 18, 2001
Inventors
Keiji Yamazaki
Yoshihiko Seno
Osamu Kamoshida
Yasuhiro Takahashi
Assignee (at issue)
Showa Denko K.K.
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.